Acquisition method (AMC)
1
FSC 5306 × BOLT,CLOSE TOLERANCE
BOLT,CLOSE TOLERANCE
5306-00-141-4519 FSC 5306
NSN 5306-00-141-4519 (also written 5306001414519; NIIN 00-141-4519) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 3 manufacturer part numbers from 3 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 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.250 |
| GRIP LENGTH ANEE | INCHES NOMINAL 5.188 |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM AND CHROMATE |
| SURFACE FINISH CSYM | BEARING SURFACE OF HEAD MICROINCHES 63.0 |
| HARDNESS RATING CQFM | OVERALL ROCKWELL C MINIMUM 32.0 AND ROCKWELL C MAXIMUM 37.0 |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.140 AND INCHES MAXIMUM 0.172 |
| HOLE TYPE BQDM | DRILLED |
| HOLE DIAMETER AAUB | INCHES NOMINAL 0.046 |
| FASTENER LENGTH AASB | INCHES NOMINAL 5.656 |
| HEAD STYLE AASK | — |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC ALL TREATMENT RESPONSES QQ--416,TY 2,CL 3 QQ--416 |
| THREAD SERIES DESIGNATOR THSD | UNF |
| HOLE QUANTITY ASXK | 1 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.440 |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD LENGTH AASA | INCHES MINIMUM 0.468 |
| THREAD QUANTITY PER INCH CMLP | 28 |
| HOLE CONFIGURATION STYLE CRHC | — |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.2487 AND INCHES MAXIMUM 0.2492 |
| SURFACE FINISH CSYM | GRIP MICROINCHES 63.0 |
| MATERIAL MATT | OVERALL STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-6049 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6050 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-6098 OR MIL SPEC 5TH MATERIAL RESPONSE -IL-S-6758 OR ASSN STD 6TH MATERIAL RESPONSE A-S 6300 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 125000 |
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 |
|---|---|---|
| AN174-55A | 81352 | AIR FORCE-NAVY AERONAUTICAL SPECIFICATIONS PROMULGATED BY AERONAUTICAL STANDARDS GROUP |
| AN174H55A | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| B6812 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES 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
—
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-30WE | Sep 17, 2026 | Sep 29, 2026 | 5 | 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/5306-00-141-4519/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5306-00-141-4519/