Screw Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
Thread Length: 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Nominal Thread Diameter: 0.138 INCHES IN
Head Style: FLAT COUNTERSUNK
Thread Direction: RIGHT-HAND
Screw Material: COPPER ALLOY
Identification
NSN: 5305-00-281-9732
NIIN: 002819732
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
General Description
The Screw,machine, cataloged under National Stock Number 5305-00-281-9732, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-00-281-9732
Item Name
Screw,machine
FSC / FSG
5305 / 53 — Screws
Status
ACTIVE
Fastener Length
0.750 INCHES NOMINAL IN
Screw Material Document and Classification
QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
Thread Length
0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Nominal Thread Diameter
0.138 INCHES IN
Head Style
FLAT COUNTERSUNK
Thread Direction
RIGHT-HAND
Screw Material
COPPER ALLOY
Minimum Tensile Strength
55000 POUNDS PER SQUARE INCH LBS
Countersink Angle
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Thread Class
2A A
Thread Quantity Per Inch
32
Thread Series Designator
UNIFIED NATIONAL COARSE (UNC)
Head Diameter
0.249 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5305-00-282-0283POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
5305-00-307-1394NAS662C0LL6POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-550-1516POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
5305-00-550-3494POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
5305-00-702-5627POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
5305-00-702-5628POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
5305-00-716-8309POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
5305-00-722-2731POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
5305-00-722-2734POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
5305-00-754-1751POSSIBLE MATCH
SCREW,MACHINE
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
AN507UB632R12
2/2Government specification standardization
U.S. Government activity
FFS92TYPE1STYLE3S
4/1Identification reference
U.S. Government activity
Related Parts
5305-00-282-0283POSSIBLE MATCH
SCREW,MACHINE
5305-00-307-1394POSSIBLE MATCH
SCREW,MACHINE
NAS662C0LL6
5305-00-550-1516POSSIBLE MATCH
SCREW,MACHINE
5305-00-550-3494POSSIBLE MATCH
SCREW,MACHINE
5305-00-702-5627POSSIBLE MATCH
SCREW,MACHINE
5305-00-702-5628POSSIBLE MATCH
SCREW,MACHINE
5305-00-716-8309POSSIBLE MATCH
SCREW,MACHINE
5305-00-722-2731POSSIBLE MATCH
SCREW,MACHINE
5305-00-722-2734POSSIBLE MATCH
SCREW,MACHINE
5305-00-754-1751POSSIBLE MATCH
SCREW,MACHINE
5305-00-801-4643POSSIBLE MATCH
SCREW,MACHINE
NAS662C2-3
Frequently Asked Questions
What is NSN 5305-00-281-9732?
NSN 5305-00-281-9732 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
What NSN replaces 5305-00-281-9732?
11 possible matches (shared part number, not a government interchangeability claim): 5305-00-282-0283, 5305-00-307-1394, 5305-00-550-1516. Verify interchangeability with system specifications before substitution.
What are the specifications of 5305-00-281-9732?
Key specifications for 5305-00-281-9732: Fastener Length: 0.750 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.138 INCHES IN. 13 specifications are documented in the U.S. Government catalog.
Is NSN 5305-00-281-9732 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.