Acquisition method (AMC)
1
FSC 5305 × SCREW,CAP,SOCKET HEAD
SCREW,CAP,SOCKET HEAD
5305-01-284-9678 FSC 5305
NSN 5305-01-284-9678 (also written 5305012849678; NIIN 01-284-9678) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 6 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 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 2.750 AND INCHES MAXIMUM 2.938 |
| FASTENER LENGTH AASB | INCHES MINIMUM 4.812 AND INCHES MAXIMUM 5.000 |
| HEAD STYLE AASK | — |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.749 AND INCHES MAXIMUM 0.813 |
| WIDTH BETWEEN FLATS AATB | INCHES MINIMUM 1.812 AND INCHES MAXIMUM 1.875 |
| LOCKING FEATURE AAUM | THREADS PATCH OR STRIP |
| INTERNAL DRIVE STYLE ABQZ | — |
| NOMINAL THREAD DIAMETER AHYM | INCHES 1.250 |
| THREAD QUANTITY PER INCH CMLP | 12 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 150000 |
| HARDNESS RATING CQFM | FASTENER ROCKWELL C MINIMUM 32.0 AND ROCKWELL C MAXIMUM 38.0 |
| MATERIAL MATT | FASTENER STEEL |
| MATERIAL MATT | LOCKING FEATURE PLASTIC POLYAMIDE NYLON |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | FASTENER ASSN STD SINGLE MATERIAL RESPONSE SAE J429 GR 8 SAE J429 |
| SURFACE TREATMENT SFTT | FASTENER CADMIUM AND CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | FASTENER FED SPEC SINGLE TREATMENT RESPONSE QQ--416 TY 2 CL 3 QQ--416 |
| THREAD SERIES DESIGNATOR THSD | UNF |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE 2 AND STYLE 10 AND GRADE 8 |
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 |
|---|---|---|
| B1821BH125F500L | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
| FF-S-85C TYPE II STYLE 10P | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| M18240 1.250-12UNF-2A 5.000LG | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MIL-F-18240,C0N F-B HEX HEAD | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
| MIL-F-18240,CONF-B HEX HEAD | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MS90727-281L | 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
$651.17
Purchases
1
Total spend
$1,302
Sep 14, 2026
Last purchased
1 · 1.0/yr
Purchase records
$1,302
Total demand
$651.17
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | 2 | $651.17 | $1,302 | KAREN CARLISLE DBA B & K AEROSPACE (8A1E8) | 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.
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.
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
KAREN CARLISLE DBA B & K AEROSPACE
last award Sep 2026
FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
no award yet
no awards on record
Listed source MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
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 THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
no award yet
no awards on record
Listed source ZF INDUSTRIEANTRIEBE WITTEN GMBH
no award yet
no awards on record
Listed source KAREN CARLISLE DBA B & K AEROSPACE won the only award on record. KAREN CARLISLE DBA B & K AEROSPACE won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M0-26-T-074X | Sep 8, 2026 | Sep 15, 2026 | 2 | 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SCREW,CAP,SOCKET HEAD." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-01-284-9678/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/5305-01-284-9678/