Acquisition method (AMC)
1
FSC 5306 × BOLT,SHOULDER
BOLT,SHOULDER
5306-01-131-8451 FSC 5306
NSN 5306-01-131-8451 (also written 5306011318451; NIIN 01-131-8451) is a bolt, shoulder in Federal Supply Class 5306, Bolts. 8 manufacturer part numbers from 8 suppliers are on record. It was last purchased in Jul 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 NOMINAL 0.445 |
| FASTENER LENGTH AASB | INCHES NOMINAL 3.400 |
| HEAD STYLE AASK | — |
| HEAD DIAMETER AASL | INCHES NOMINAL 2.000 |
| HEAD HEIGHT AASU | INCHES NOMINAL 0.370 |
| WIDTH BETWEEN FLATS AATB | INCHES NOMINAL 1.500 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.750 |
| THREAD QUANTITY PER INCH CMLP | 16 |
| HARDNESS RATING CQFM | OVERALL ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 43.0 |
| MATERIAL MATT | OVERALL STEEL CORROSION RESISTING |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5000,4340 COND C |
| 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 |
|---|---|---|
| 65219-07025-102 | 2V343 | APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO |
| 65219-07025-102 | 56937 | SPECIALTY TOOL COMPANY USA, LLC DBA SPECIALTY TOOL CO |
| 65219-07025-102 | 63630 | SEANAIR, LLC |
| 65219-07025-102 | 65780 | TEK PRECISION CO LIMITED |
| 65219-07025-102 | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP |
| 65219-07025-102 | 91145 | FLEET READINESS CENTER SOUTHWEST |
| 65219-07025-102 | 96916 | FLEET READINESS CENTER EAST DIV DEPARTMENT OF NAVY |
| 65219-07025-102 | 9E232 | CAMBRIDGE SPECIALTY CO. INC. DBA CAMBRIDGE SPECIALTY CO 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
—
Purchases
0
Total spend
—
Jul 29, 2026
Last purchased
1 · 1.0/yr
Purchase records
$159,944
Total demand
$159,944
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.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Jul 29, 2026 | SPE4A625PB799 ↗ | APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO | — | $159,944 |
Demand history
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
APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO
last award Jul 2026
CAMBRIDGE SPECIALTY CO. INC. DBA CAMBRIDGE SPECIALTY CO INC
no award yet
no awards on record
Listed source FLEET READINESS CENTER EAST DIV DEPARTMENT OF NAVY
no award yet
no awards on record
Listed source FLEET READINESS CENTER SOUTHWEST
no award yet
no awards on record
Listed source SEANAIR, LLC
no award yet
no awards on record
Listed source SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP
no award yet
no awards on record
Listed source SPECIALTY TOOL COMPANY USA, LLC DBA SPECIALTY TOOL CO
no award yet
no awards on record
Listed source TEK PRECISION CO LIMITED
no award yet
no awards on record
Listed source APEX MANUFACTURING COMPANY, INC. DBA APEX MANUFACTURING CO won the only award on record.
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: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BOLT,SHOULDER." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-01-131-8451/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5306-01-131-8451/