Acquisition method (AMC)
1
FSC 5305 × SCREW,CAP,SOCKET HEAD
SCREW,CAP,SOCKET HEAD
5305-01-126-8171 FSC 5305
NSN 5305-01-126-8171 (also written 5305011268171; NIIN 01-126-8171) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 12 manufacturer part numbers from 12 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 0.658 AND INCHES MAXIMUM 0.750 |
| FASTENER LENGTH AASB | INCHES MINIMUM 0.720 AND INCHES MAXIMUM 0.750 |
| HEAD STYLE AASK | — |
| HEAD DIAMETER AASL | INCHES MINIMUM 0.303 AND INCHES MAXIMUM 0.312 |
| HEAD HEIGHT AASU | INCHES MINIMUM 0.185 AND INCHES MAXIMUM 0.190 |
| INTERNAL DRIVE STYLE ABQZ | — |
| NOMINAL THREAD DIAMETER AHYM | INCHES 0.190 |
| WIDTH ACROSS FLATS ASDB | INCHES MINIMUM 0.156 AND INCHES MAXIMUM 0.159 |
| THREAD QUANTITY PER INCH CMLP | 32 |
| MINIMUM TENSILE STRENGTH CQBC | POUNDS PER SQUARE INCH 160000 |
| HARDNESS RATING CQFM | OVERALL ROCKWELL C MINIMUM 38.0 AND ROCKWELL C MAXIMUM 45.0 |
| MINIMUM YIELD STRENGTH CQHQ | POUNDS PER SQUARE INCH 155000 |
| CRITICALITY CODE JUSTIFICATION CRTL | FEAT |
| SPECIAL FEATURES FEAT | CRITICAL SAFETY ITEM (CSI) |
| MATERIAL MATT | OVERALL IRON ALLOY 660 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| SURFACE TREATMENT SFTT | OVERALL PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION STDC | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 QQ--35 |
| THREAD SERIES DESIGNATOR THSD | UNRF |
| SPECIFICATION/STANDARD DATA ZZZK | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1351 NAS1351 |
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 |
|---|---|---|
| 10115145 | A486G | NIMIKKEISTOKESKUS NCB FINLAND |
| NAS1351N3-12 | 007R1 | TWIST TITE MFG, INC DBA TWIST TITE MANUFACTURING INC |
| NAS1351N3-12 | 0F620 | CBS FASTENERS, LLC |
| NAS1351N3-12 | 0PXV4 | THE BOEING COMPANY DIV SERVICES |
| NAS1351N3-12 | 1EM77 | B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE |
| NAS1351N3-12 | 1ER65 | 3-V FASTENER CO., INC. |
| NAS1351N3-12 | 3B1R2 | BELL BOEING JOINT PROJECT OFFICE |
| NAS1351N3-12 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. |
| NAS1351N3-12 | 62206 | B & B SPECIALTIES INC |
| NAS1351N3-12 | 76301 | THE BOEING COMPANY DIV DEFENSE |
| NAS1351N3-12 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE |
| NAS1351N3-12 | U1604 | MARTIN-BAKER AIRCRAFT COMPANY LIMITED |
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
$0.76
Purchases
1
Total spend
$619.40
Oct 19, 2026
Last purchased
2 · 2.0/yr
Purchase records
$1,239
Total demand
$0.76
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 19, 2026 | 815 | $0.76 | $619.40 | HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC (53037) | 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 | SPE4A627P2470 ↗ | HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC | — | $619.40 |
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
HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC
last award Oct 2026
3-V FASTENER CO., INC.
no award yet
no awards on record
Listed source B & B SPECIALTIES INC
no award yet
no awards on record
Listed source B & B SPECIALTIES INC DBA GS AEROSPACE DIV GS AEROSPACE
no award yet
no awards on record
Listed source BELL BOEING JOINT PROJECT OFFICE
no award yet
no awards on record
Listed source CBS FASTENERS, LLC
no award yet
no awards on record
Listed source FASTENER INNOVATION TECHNOLOGY, INC.
no award yet
no awards on record
Listed source MARTIN-BAKER AIRCRAFT COMPANY LIMITED
no award yet
no awards on record
Listed source HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC won the only award on record. HC MERCHANDISERS, INC. DBA HC MERCHANDISERS INC DIV HC PACIFIC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-26-T-16ST | Aug 14, 2026 | Aug 21, 2026 | 815 | 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/5305-01-126-8171/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5305-01-126-8171/