Acquisition method (AMC)
1
FSC 5305 × SCREW,CAP,SOCKET HEAD
SCREW,CAP,SOCKET HEAD
5305-00-637-6921 FSC 5305
NSN 5305-00-637-6921 (also written 5305006376921; NIIN 00-637-6921) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 4 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)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 DIRECTION AAJF | RIGHT-HAND |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.125 AND INCHES MAXIMUM 0.127 |
| HOLE QUANTITY ASXK | 4 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| THREAD CLASS AAJD | 3A |
| INTERNAL DRIVE STYLE ABQZ | — |
| THREAD LENGTH AASA | INCHES MINIMUM 0.258 |
| MATERIAL MATT | OVERALL STEEL COMP 416SE OR STEEL COMP 303 OR STEEL COMP 303 PLUS X |
| HARDNESS RATING CQFM | OVERALL ROCKWELL C MINIMUM 26.0 AND ROCKWELL C MAXIMUM 34.0 |
| HOLE CONFIGURATION STYLE CRHC | — |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.160 AND INCHES MAXIMUM 0.164 |
| HOLE DIAMETER AAUB | INCHES NOMINAL 0.031 |
| THREAD SERIES DESIGNATOR THSD | UNIFIED NATIONAL COARSE (UNC) |
| FASTENER LENGTH AASB | INCHES NOMINAL 0.320 |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.164 |
| HEAD DIAMETER AASL | INCHES MINIMUM 0.265 AND INCHES MAXIMUM 0.270 |
| HEAD STYLE AASK | — |
| HOLE TYPE BQDM | DRILLED |
| THREAD QUANTITY PER INCH CMLP | 32 |
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 |
|---|---|---|
| 29577 | 11599 | TRIUMPH ENGINE CONTROL SYSTEMS LLC |
| 333S605 | 06840 | BENDIX CORP THE |
| 333S605 | 06848 | HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) |
| 33S605 | 06848 | HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR) |
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 6, 2026
Last purchased
1 · 1.0/yr
Purchase records
$560.00
Total demand
$560.00
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 6, 2026 | SPE4A627P1519 ↗ | ALAMO AIRCRAFT, LTD. | — | $560.00 |
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
ALAMO AIRCRAFT, LTD.
last award Oct 2026
BENDIX CORP THE
no award yet
no awards on record
Listed source HONEYWELL INTERNATIONAL INC DIV AEROSPACE-SOUTH BEND (BENDIX DR)
no award yet
no awards on record
Listed source TRIUMPH ENGINE CONTROL SYSTEMS LLC
no award yet
no awards on record
Listed source ALAMO AIRCRAFT, LTD. won the only award on record. ALAMO AIRCRAFT, LTD. 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 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SCREW,CAP,SOCKET HEAD." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-00-637-6921/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5305-00-637-6921/