Acquisition method (AMC)
1
FSC 5305 × SCREW,CAP,SOCKET HEAD
SCREW,CAP,SOCKET HEAD
5305-00-638-1283 FSC 5305
NSN 5305-00-638-1283 (also written 5305006381283; NIIN 00-638-1283) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 6 manufacturer part numbers from 4 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 |
|---|---|
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.312 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.250 AND INCHES MAXIMUM 0.253 |
| INTERNAL DRIVE STYLE ABQZ | — |
| THREAD CLASS AAJD | 3A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.306 AND INCHES MAXIMUM 0.312 |
| HOLE DIAMETER AAUB | INCHES MINIMUM 0.040 AND INCHES MAXIMUM 0.050 |
| HOLE CONFIGURATION STYLE CRHC | — |
| MATERIAL MATT | OVERALL STEEL |
| SURFACE TREATMENT SFTT | OVERALL CADMIUM AND CHROMATE |
| 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 |
| HEAD STYLE AASK | — |
| HOLE QUANTITY ASXK | 3 |
| HOLE TYPE BQDM | DRILLED |
| THREAD QUANTITY PER INCH CMLP | 24 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 170000 |
| HARDNESS RATING CQFM | OVERALL ROCKWELL C MINIMUM 38.0 AND ROCKWELL C MAXIMUM 45.0 |
| FASTENER LENGTH AASB | INCHES MINIMUM 1.127 AND INCHES MAXIMUM 1.250 |
| HEAD DIAMETER AASL | INCHES MINIMUM 0.457 AND INCHES MAXIMUM 0.469 |
| THREAD LENGTH AASA | INCHES MINIMUM 1.210 AND INCHES MAXIMUM 1.250 |
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 |
|---|---|---|
| 12Z1196-208 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
| 650270PC6 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
| FF-S-86 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| MS24678-35 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS24678-35C | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| MS24678-35C | 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
$3.97
Purchases
1
Total spend
$3,474
Oct 19, 2026
Last purchased
2 · 2.0/yr
Purchase records
$6,948
Total demand
$3.97
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | 875 | $3.97 | $3,474 | B & B SPECIALTIES INC (62206) | 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 | SPE4A627P2300 ↗ | B & B SPECIALTIES INC | — | $3,474 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 2 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
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 & B SPECIALTIES INC
last award Oct 2026
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
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 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
no award yet
no awards on record
Listed source NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER
no award yet
no awards on record
Listed source B & B SPECIALTIES INC won the only award on record. B & B SPECIALTIES INC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-5032 | Oct 19, 2026 | Oct 30, 2026 | 305 | Expired | View at DIBBS → |
| SPE4A6-26-T-34ZE | Sep 23, 2026 | Sep 30, 2026 | 875 | 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,SOCKET HEAD." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-00-638-1283/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5305-00-638-1283/