Acquisition method (AMC)
1
FSC 5306 × BOLT,CLOSE TOLERANCE
BOLT,CLOSE TOLERANCE
5306-01-166-1701 FSC 5306
NSN 5306-01-166-1701 (also written 5306011661701; NIIN 01-166-1701) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 11 manufacturer part numbers from 11 suppliers are on record. The government has 1 open solicitation for it.
Open for bid
1 open solicitation on record right now — quantity, close date, and where to submit.
| Solicitation | Qty | Status | |
|---|---|---|---|
| SPE4A6-27-T-0608 | 42 | Closes today | Bid → |
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.
Dimensioned drawing
Generated from the federal catalog's dimensional data for this NSN — reference only, not a manufacturing drawing.
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 NOMINAL 0.397 |
| FASTENER LENGTH AASB | INCHES MINIMUM 1.132 AND INCHES MAXIMUM 1.162 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES NOMINAL 0.164 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.439 |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.2490 AND INCHES MAXIMUM 0.2495 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.250 |
| GRIP LENGTH ANEE | INCHES NOMINAL 0.750 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| HARDNESS RATING CQFM | OVERALL ROCKWELL C MINIMUM 46.0 AND ROCKWELL C MAXIMUM 50.0 |
| 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 |
|---|---|---|
| LD111-0026-0412 | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS |
| LD111-0026-0412 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY |
| LD111-0026-0412 | 17446 | HUCK INTERNATIONAL, INC |
| LD111-0026-0412 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS |
| LD111-0026-0412 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M |
| LD111-0026-0412 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| LD111-0026-0412 | 57928 | SONIC INDUSTRIES, INC. DBA SONIC INDUSTRIES INC DIV SONIC INDUSTRIES |
| LD111-0026-0412 | 58845 | ABOUNDING SECURITY INC DIV OF MAA CORP |
| LD111-0026-0412 | 73197 | HI-SHEAR CORPORATION |
| LD111-0026-0412 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| LD111-0026-0412 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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.
No related contract actions on record.
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 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.
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-0608 | Oct 7, 2026 | Oct 19, 2026 | 42 | Open | View at DIBBS → |
| SPE4A6-26-T-30RM | Sep 17, 2026 | Oct 8, 2026 | 54 | 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.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BOLT,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-01-166-1701/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5306-01-166-1701/