Type a 13-digit NSN, a 9-digit NIIN, a manufacturer part number, or a category name such as “gasket”.

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FSC 5305 × SCREW,CAP,SOCKET HEAD

SCREW,CAP,SOCKET HEAD

5305-01-731-1211 FSC 5305

NSN 5305-01-731-1211 (also written 5305017311211; NIIN 01-731-1211) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 4 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

Can you win it?

This item is coded as suitable for competitive acquisition (AMC 1).

Acquisition method (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.

UNITS: INCHES SIDE VIEW 1.75 LG ⌀0.75 1.107–1.125 5305-01-731-1211 ALL DIMENSIONS IN INCHES · REFERENCE ONLY, NOT FOR MANUFACTURE SCREW,CAP,SOCKET HEAD · OVERALL STEEL UNS K03104 · THREAD 3A

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 NOMINAL 1.75
FASTENER LENGTH AASB INCHES NOMINAL 2.5
HEAD STYLE AASK —
HEAD DIAMETER AASL INCHES MINIMUM 1.107 AND INCHES MAXIMUM 1.125
HEAD HEIGHT AASU INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.750
INTERNAL DRIVE STYLE ABQZ —
NOMINAL THREAD DIAMETER AHYM INCHES 0.75
WIDTH ACROSS FLATS ASDB INCHES NOMINAL 0.625
THREAD QUANTITY PER INCH CMLP 10
MINIMUM TENSILE STRENGTH CQBC POUNDS PER SQUARE INCH 180000
HARDNESS RATING CQFM OVERALL ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 45.0
MINIMUM YIELD STRENGTH CQHQ POUNDS PER SQUARE INCH 155000
PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY SOCKET HEAD CAP SCREW
MATERIAL MATT OVERALL STEEL UNS K03104
MATERIAL DOCUMENT AND CLASSIFICATION MDCL OVERALL AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE AST- A574 S1
THREAD SERIES DESIGNATOR THSD UNIFIED NATIONAL COARSE (UNC)
SPECIFICATION/STANDARD DATA ZZZK GOVERNMENT SPECIFICATION 81349- -IL-DTL-1222J

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
180-6984584-106 53711 NAVAL SEA SYSTEMS COMMAND
68-00-6250W 96169 ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
H413-8922-106 96169 ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
M1222SN12C340GINN 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES 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
—
Purchases
0
Total spend
—
—
Last purchased
—
Purchase records
—
Total demand
—
Latest award total

Compare with other items

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.

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.

Solicitation Issued Closes / closed Qty Status
SPE4A6-26-T-30FV Sep 16, 2026 Sep 23, 2026 13 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.
  • Full methodology →
Cite this page
Citation

NSN Explorer. "SCREW,CAP,SOCKET HEAD." nsnexplorer.com, https://nsnexplorer.com/nsn/5305-01-731-1211/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/5305-01-731-1211/