Acquisition method (AMC)
1
FSC 5306 × BOLT,CLOSE TOLERANCE
BOLT,CLOSE TOLERANCE
5306-01-664-5251 FSC 5306
NSN 5306-01-664-5251 (also written 5306016645251; NIIN 01-664-5251) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 1 manufacturer part number from 1 supplier is 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 NOMINAL 0.594 |
| FASTENER LENGTH AASB | INCHES NOMINAL 6.2815 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES NOMINAL 0.281 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 0.865 AND INCHES MAXIMUM 0.877 |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.5917 AND INCHES MAXIMUM 0.5927 |
| POINT DIAMETER AAVA | INCHES MINIMUM 0.5500 AND INCHES MAXIMUM 0.5550 |
| POINT STYLE ABQJ | — |
| END ITEM IDENTIFICATION AGAV | B-52 AIRCRAFT |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.5625 |
| GRIP LENGTH ANEE | INCHES NOMINAL 5.6875 |
| THREAD QUANTITY PER INCH CMLP | 18 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 160000 |
| MATERIAL MATT | OVERALL STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD 1ST MATERIAL RESPONSE A-S 6349 OR ASSN STD 2ND MATERIAL RESPONSE A-S 6389 OR ASSN STD 3RD MATERIAL RESPONSE A-S 6415 OR ASSN STD 4TH MATERIAL RESPONSE A-S 6484 OR ASSN STD 5TH MATERIAL RESPONSE A-S 6322 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S QQ--416, TYE II, CLASS 2 QQ--416 |
| 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 |
|---|---|---|
| NAS6209-91Y | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
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 — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-21VW | Aug 25, 2026 | Sep 4, 2026 | 8 | 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/5306-01-664-5251/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5306-01-664-5251/