Acquisition method (AMC)
1
FSC 5305 × SCREW,CAP,HEXAGON HEAD
SCREW,CAP,HEXAGON HEAD
5305-01-277-0451 FSC 5305
NSN 5305-01-277-0451 (also written 5305012770451; NIIN 01-277-0451) is a screw, cap, hexagon head in Federal Supply Class 5305, Screws. 3 manufacturer part numbers from 3 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)
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 | 2A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD LENGTH AASA | INCHES MINIMUM 2.000 AND INCHES MAXIMUM 2.277 |
| FASTENER LENGTH AASB | INCHES MINIMUM 4.562 AND INCHES MAXIMUM 4.750 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.531 AND INCHES MAXIMUM 0.563 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 1.285 AND INCHES MAXIMUM 1.312 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.875 |
| THREAD QUANTITY PER INCH CMLP | 9 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 120000 |
| MATERIAL MATT | OVERALL STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE SAE GR 8 J429 |
| SURFACE TREATMENT SFTT | OVERALL ZINC AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- B633 TY 2 SC 3 |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL COARSE (UNC) |
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 |
|---|---|---|
| 4J8622 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE |
| B1821BH088C475N | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE |
| MS90728-220 | 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
$6.24
Purchases
1
Total spend
$1,429
Oct 19, 2026
Last purchased
2 · 2.0/yr
Purchase records
$2,858
Total demand
$6.24
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | 229 | $6.24 | $1,429 | DIALOGIC CORP DBA DIALOGIC FASTENERS (0NFB8) | Unknown | Source ↗ |
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 | SPE4A627P0753 ↗ | DIALOGIC CORP DBA DIALOGIC FASTENERS | — | $1,429 |
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.
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
DIALOGIC CORP DBA DIALOGIC FASTENERS
last award Oct 2026
AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE
no award yet
no awards on record
Listed source CATERPILLAR INC DIV CATERPILLAR DEFENSE
no award yet
no awards on record
Listed source MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source DIALOGIC CORP DBA DIALOGIC FASTENERS won the only award on record. DIALOGIC CORP DBA DIALOGIC FASTENERS won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-26LZ | Sep 4, 2026 | Sep 11, 2026 | 229 | 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: 2026-10-20.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SCREW,CAP,HEXAGON HEAD." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-01-277-0451/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5305-01-277-0451/