Acquisition method (AMC)
1
FSC 5306 × BOLT,CLOSE TOLERANCE
BOLT,CLOSE TOLERANCE
5306-01-044-8529 FSC 5306
NSN 5306-01-044-8529 (also written 5306010448529; NIIN 01-044-8529) is a bolt, close tolerance in Federal Supply Class 5306, Bolts. 24 manufacturer part numbers from 21 suppliers are on record. It was last purchased in Oct 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.
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 0.441 AND INCHES MAXIMUM 0.508 |
| FASTENER LENGTH AASB | INCHES MINIMUM 2.951 AND INCHES MAXIMUM 2.998 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.177 AND INCHES MAXIMUM 0.197 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502 |
| GRIP DIAMETER AAUR | INCHES MINIMUM 0.3115 AND INCHES MAXIMUM 0.3120 |
| SHANK UNTHREADED HOLE DIAMETER AAWB | FIRST HOLE INCHES MINIMUM 0.076 AND INCHES MAXIMUM 0.081 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.312 |
| GRIP LENGTH ANEE | INCHES MINIMUM 2.490 AND INCHES MAXIMUM 2.510 |
| THREAD QUANTITY PER INCH CMLP | 24 |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER CRZS | FIRST HOLE INCHES MINIMUM 2.827 AND INCHES MAXIMUM 2.884 |
| MATERIAL MATT | OVERALL STEEL COMP XM-13 |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL JOINT FINE (UNJF) |
| SPECIFICATION/STANDARD DATA ZZZK | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 76301-ST3-453 |
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 |
|---|---|---|
| 109453-5D40 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS |
| 109453-5D40 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA |
| 11825-5D40 | 59563 | REID PRODUCTS INC. DBA REID PRODUCTS INC |
| AIC753-5D40 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY |
| BM17019-5D40 | 17446 | HUCK INTERNATIONAL, INC |
| BM17019-5D40 | 97928 | HUCK INTL INC |
| FIT7047-5D40 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |
| GS1016-5D40 | 1EM77 | B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE |
| HP5453-5D40 | 0ZC92 | HEARTLAND PRECISION FASTENERS INC |
| MB61-5D40 | 73197 | HI-SHEAR CORPORATION |
| MB61-5D40 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC |
| PBF1253-5D40 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS |
| S11-1060-5D40 | 57928 | SONIC INDUSTRIES, INC. DBA SONIC INDUSTRIES INC DIV SONIC INDUSTRIES |
| S353-5D40 | 17446 | HUCK INTERNATIONAL, INC |
| S353-5D40 | 97928 | HUCK INTL INC |
| SLB252-5D40 | 16258 | SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK |
| ST3M453-5D40 | 0UCY9 | M.S. AEROSPACE INC. DBA MS AEROSPACE INC |
| ST3M453-5D40 | 1VSL7 | HOUSTON PRECISION FASTENERS I LP |
| ST3M453-5D40 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| US3204-5D40 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| US3204-5D40 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS |
| VAL23029-5D40 | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS |
| VS3204-5D40 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC |
| WC453-5D40 | 60516 | WEST COAST AEROSPACE, 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
—
Oct 19, 2026
Last purchased
1 · 1.0/yr
Purchase records
$14,644
Total demand
$14,644
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 |
|---|---|---|---|---|
| Oct 19, 2026 | SPE4A727P0944 ↗ | B S F (BUSINESS SOLUTIONS FASTENERS) INTERNATIONAL INC DBA B S F (SOLUTIONS POUR MANUFACTURIERS D'ATTACH?S) | — | $14,644 |
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
B S F (BUSINESS SOLUTIONS FASTENERS) INTERNATIONAL INC DBA B S F (SOLUTIONS POUR MANUFACTURIERS D'ATTACH?S)
last award Oct 2026
B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE
no award yet
no awards on record
Listed source FASTENER INNOVATION TECHNOLOGY, INC.
no award yet
no awards on record
Listed source HEARTLAND PRECISION FASTENERS INC
no award yet
no awards on record
Listed source HI-SHEAR CORPORATION
no award yet
no awards on record
Listed source HOUSTON PRECISION FASTENERS I LP
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC
no award yet
no awards on record
Listed source HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS
no award yet
no awards on record
Listed source B S F (BUSINESS SOLUTIONS FASTENERS) INTERNATIONAL INC DBA B S F (SOLUTIONS POUR MANUFACTURIERS D'ATTACH?S) won the only award on record. B S F (BUSINESS SOLUTIONS FASTENERS) INTERNATIONAL INC DBA B S F (SOLUTIONS POUR MANUFACTURIERS D'ATTACH?S) won without being a listed source.
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 20, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-20.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BOLT,CLOSE TOLERANCE." nsnexplorer.com, https://nsnexplorer.com/nsn/5306-01-044-8529/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5306-01-044-8529/