Acquisition method (AMC)
1
FSC 5306 × BOLT,CLOSE TOLERANCE
BOLT,CLOSE TOLERANCE
5306-00-121-8850 FSC 5306
NSN 5306-00-121-8850 (also written 5306001218850; NIIN 00-121-8850) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 9 manufacturer part numbers from 7 suppliers are on record. No purchases are on record yet.
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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 MINIMUM 0.283 AND INCHES MAXIMUM 0.334 |
| FASTENER LENGTH AASB | INCHES MINIMUM 1.991 AND INCHES MAXIMUM 2.001 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.126 AND INCHES MAXIMUM 0.141 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.439 |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.2483 AND INCHES MAXIMUM 0.2492 |
| SHANK UNTHREADED HOLE DIAMETER AAWB | FIRST HOLE INCHES MINIMUM 0.076 AND INCHES MAXIMUM 0.086 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.250 |
| GRIP LENGTH ANEE | INCHES MINIMUM 1.562 AND INCHES MAXIMUM 1.578 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| HARDNESS RATING CQFM | OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 41.0 |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER CRZS | FIRST HOLE INCHES MINIMUM 1.881 AND INCHES MAXIMUM 1.911 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416 TY 2 CL 2 QQ--416 |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL JOINT FINE (UNJF) |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-B-83050 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM AND CHROMATE |
| MATERIAL MATT | OVERALL STEEL |
| SURFACE FINISH CSYM | GRIP MICROINCHES 63.0 |
| SPECIAL FEATURES FEAT | W/RETAINING ELEMENT ON SHANK |
| SURFACE FINISH CSYM | BEARING SURFACE OF HEAD MICROINCHES 63.0 |
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 |
|---|---|---|
| 106467-4-25 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| AS194-4-25 | 84256 | AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC |
| CA4510-4-25 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS |
| CIPRD-MS27576-4-25R | 14153 | DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA |
| MS27576-4-25 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS27576-4-25 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS27576-4-25R | 0UCY9 | M.S. AEROSPACE INC. DBA MS AEROSPACE INC |
| MS27576-4-25R | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS27576-4-25R | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
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 — 3 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-3983 | Oct 14, 2026 | Oct 21, 2026 | 410 | Expired | View at DIBBS → |
| SPE4A6-26-T-27JR | Sep 10, 2026 | Sep 17, 2026 | 166 | Expired | View at DIBBS → |
| SPE4A6-26-T-12XX | Aug 6, 2026 | Aug 18, 2026 | 51 | 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/5306-00-121-8850/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5306-00-121-8850/