NSN 5305-00-453-3632 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-453-3632. Manufacturer of record part number: A31Z8.
Head Height: 0.059 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Screw Surface Treatment: CADMIUM
Fastener Length: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Pitch in Millimeters: 0.43
Thread Length: 0.225 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Nominal Thread Diameter: 2.2 MILLIMETERS MM
Head Style: PAN NO. 2
Identification
NSN: 5305-00-453-3632
NIIN: 004533632
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: A31Z8
Manufacturer: Bsi Standards Limited
General Description
The Screw,machine, cataloged under National Stock Number 5305-00-453-3632, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Bsi Standards Limited. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5305-00-453-3632
Primary Part Number
A31Z8
Item Name
Screw,machine
FSC / FSG
5305 / 53 — Screws
Manufacturer
Bsi Standards Limited
Status
ACTIVE
Head Height
0.059 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
Screw Surface Treatment
CADMIUM
Fastener Length
0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Pitch in Millimeters
0.43
Thread Length
0.225 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Nominal Thread Diameter
2.2 MILLIMETERS MM
Head Style
PAN NO. 2
Thread Direction
RIGHT-HAND
Screw Material
STEEL
Internal Drive Style
SLOT
Thread Series Designator
BA
Head Diameter
0.147 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
Screw Surface Treatment Document and Classification
DTD904,FSCM K7766 NATIONAL SPEC SINGLE TREATMENT RESPONSE
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-0094
SCREW,CLOSE TOLERANCE
5305-00-000-1397
5305-00-000-1397 · Item name not on file
5305-00-000-2625
5305-00-000-2625 · Item name not on file
5305-00-000-3669
5305-00-000-3669 · Item name not on file
5305-00-000-3830
5305-00-000-3830 · Item name not on file
5305-00-000-3831
5305-00-000-3831 · Item name not on file
Frequently Asked Questions
What is NSN 5305-00-453-3632?
NSN 5305-00-453-3632 is a Screw,machine, manufactured by Bsi Standards Limited, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-00-453-3632?
NSN 5305-00-453-3632 has 4 manufacturer part numbers on file: BSA31Z8 (Bsi Standards Limited), A31Z8 (Jewson Building Supplies), A31Z8 (Bsi Standards Limited), 21630-123 (Esuk Aerospace and Simulation Ltd).
What are the specifications of A31Z8?
Key specifications for A31Z8: Head Height: 0.059 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Thread Pitch in Millimeters: 0.43. 13 specifications are documented in the U.S. Government catalog.
Is NSN 5305-00-453-3632 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.