Acquisition method (AMC)
1
FSC 5306 × BOLT,CLOSE TOLERANCE
BOLT,CLOSE TOLERANCE
5306-01-300-2931 FSC 5306
NSN 5306-01-300-2931 (also written 5306013002931; NIIN 01-300-2931) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 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)
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.
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 0.401 AND INCHES MAXIMUM 0.546 |
| FASTENER LENGTH AASB | INCHES MINIMUM 2.958 AND INCHES MAXIMUM 2.978 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.251 AND INCHES MAXIMUM 0.266 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 0.741 AND INCHES MAXIMUM 0.752 |
| LOCKING FEATURE AAUM | GRIP RETAINER |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.4982 AND INCHES MAXIMUM 0.4991 |
| SHANK UNTHREADED HOLE DIAMETER AAWB | FIRST HOLE INCHES MINIMUM 0.106 AND INCHES MAXIMUM 0.116 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.500 |
| GRIP LENGTH ANEE | INCHES MINIMUM 2.312 AND INCHES MAXIMUM 2.328 |
| THREAD QUANTITY PER INCH CMLP | 20 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 95000 |
| 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 2.848 AND INCHES MAXIMUM 2.858 |
| SURFACE FINISH CSYM | GRIP MICROINCHES 63.0 |
| SURFACE FINISH CSYM | BEARING SURFACE OF HEAD MICROINCHES 63.0 |
| MATERIAL MATT | STAND-OFF STEEL COMP 630 OR STEEL COMP 631 OR STEEL COMP 440C |
| MATERIAL MATT | FASTENER STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 OR STEEL COMP 6150 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FASTENER MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-6758 OR MIL SPEC 5TH MATERIAL RESPONSE -IL-S-8503 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | STAND-OFF ASSN STD 1ST MATERIAL RESPONSE A-S5643 OR ASSN STD 2ND MATERIAL RESPONSE A-S5644 OR FED SPEC 3RD MATERIAL RESPONSE QQ-S-763 CL440C QQ-S-763 |
| SURFACE TREATMENT SFTT | FASTENER CADMIUM OR CHROMATE |
| SURFACE TREATMENT SFTT | STAND-OFF PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | FASTENER FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY2 CL2 QQ--416 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | STAND-OFF 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 |
|---|---|---|
| MS27576-8-37 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS27576-8-37 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
$38.50
Purchases
1
Total spend
$12,128
Sep 22, 2026
Last purchased
2 · 2.0/yr
Purchase records
$24,255
Total demand
$38.50
Latest unit price
Purchase history
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 |
|---|---|---|---|---|
| Sep 22, 2026 | SPE4A626P0ZN9 ↗ | — | — | $12,128 |
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.
- 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
CAGE 0F4K9
last award Sep 2026
MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
no award yet
no awards on record
Listed source CAGE 0F4K9 won the only award on record. CAGE 0F4K9 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-23XS | Aug 28, 2026 | Sep 4, 2026 | 40 | Expired | View at DIBBS → |
| SPE4A6-26-T-14CU | Aug 7, 2026 | Aug 14, 2026 | 315 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BOLT,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-01-300-2931/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5306-01-300-2931/