Acquisition method (AMC)
1
FSC 5306 × BOLT,CLOSE TOLERANCE
BOLT,CLOSE TOLERANCE
5306-01-133-1571 FSC 5306
NSN 5306-01-133-1571 (also written 5306011331571; NIIN 01-133-1571) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 18 manufacturer part numbers from 18 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
C
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD LENGTH AASA | INCHES MINIMUM 0.433 AND INCHES MAXIMUM 0.473 |
| FASTENER LENGTH AASB | INCHES MINIMUM 4.568 AND INCHES MAXIMUM 4.588 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES NOMINAL 0.281 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 0.774 AND INCHES MAXIMUM 0.782 |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.4990 AND INCHES MAXIMUM 0.4995 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.500 |
| GRIP LENGTH ANEE | INCHES MINIMUM 4.115 AND INCHES MAXIMUM 4.135 |
| THREAD QUANTITY PER INCH CMLP | 20 |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER CRZS | ALL HOLES INCHES MINIMUM 4.443 AND INCHES MAXIMUM 4.473 |
| MATERIAL MATT | OVERALL STEEL COMP XM-13 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5629 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL JOINT FINE (UNJF) |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 10115911 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| 11823-8D66 | 59563 | REID PRODUCTS INC. DBA REID PRODUCTS INC |
| 122895-8D66 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 122895-8D66 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| AIC687-8D66 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY |
| GS1015--8D66 | 1EM77 | B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE |
| MB154-8D66 | 73197 | HI-SHEAR CORPORATION |
| PBF1265-8D66 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS |
| S406-8D66 | 97928 | HUCK INTL INC |
| SLB748-8D66 | 16258 | SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK |
| ST3M744-8D66 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC |
| ST3M744-8D66 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP |
| ST3M744-8D66 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| ST3M7448D66 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |
| VCG0001-8D66 | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS |
| VS3174-8D66 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| VS3174-8D66 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
| WC744-8D66 | 60516 | WEST COAST AEROSPACE, INC. |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$320.51
Purchases
1
Total spend
$12,500
Oct 20, 2026
Last purchased
2 · 2.0/yr
Purchase records
$25,000
Total demand
$320.51
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 20, 2026 | 39 | $320.51 | $12,500 | ARIZONA AERO FASTENERS, INC DBA ARIZONA AERO FASTENERS INC (01UA8) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Oct 20, 2026 | SPE4A627P2146 ↗ | ARIZONA AERO FASTENERS, INC DBA ARIZONA AERO FASTENERS INC | — | $12,500 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 4 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
ARIZONA AERO FASTENERS, INC DBA ARIZONA AERO FASTENERS INC
last award Oct 2026
B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE
no award yet
no awards on record
Listed source FASTENER INNOVATION TECHNOLOGY, INC.
no award yet
no awards on record
Listed source HEARTLAND PRECISION FASTENERS INC
no award yet
no awards on record
Listed source HI-SHEAR CORPORATION
no award yet
no awards on record
Listed source HOUSTON PRECISION FASTENERS I LP
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
no award yet
no awards on record
Listed source ARIZONA AERO FASTENERS, INC DBA ARIZONA AERO FASTENERS INC won the only award on record. ARIZONA AERO FASTENERS, INC DBA ARIZONA AERO FASTENERS INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-4190 | Oct 15, 2026 | Oct 27, 2026 | 20 | Expired | View at DIBBS → |
| SPE4A6-26-T-29UP | Sep 16, 2026 | Sep 28, 2026 | 39 | Expired | View at DIBBS → |
| SPE4A6-26-T-23CF | Aug 27, 2026 | Sep 3, 2026 | 20 | Expired | View at DIBBS → |
| SPE4A6-26-T-23DX | Aug 27, 2026 | Sep 3, 2026 | 20 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-21.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BOLT,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-01-133-1571/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5306-01-133-1571/