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NSN 5305-01-629-8583Government record, cited

Screw, Assembled Washer5305-01-629-8583

NSN 5305-01-629-8583 · NIIN 016298583 · Part number 1421ABK25
Hammond Maufacturing Company Inc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 1MPP4
Government record, cited
NSN 5305-01-629-8583 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-629-8583. Manufacturer of record part number: 1421ABK25.
Also searched as  5305-01-629-8583 · 5305016298583 · NIIN 016298583 · 01-629-8583 · FSC 5305 Screws · CAGE 1MPP4 · 1421ABK25
Nearby stock numbers  ·
Features
  • Screw,assembled Washer — FSC 5305
  • Thread Length: 0.625 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Head Style: PAN
  • Primary Washer Style: FLAT
  • Thread Direction: RIGHT-HAND
  • Color: BLACK OVERALL
  • Surface Treatment: OXIDE OVERALL
Identification
  • NSN: 5305-01-629-8583
  • NIIN: 016298583
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 1421ABK25
  • Manufacturer: Hammond Maufacturing Company Inc
General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-01-629-8583, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Hammond Maufacturing Company Inc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-629-8583
Primary Part Number1421ABK25
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — Screws
ManufacturerHammond Maufacturing Company Inc
StatusACTIVE
Thread Length0.625 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Head StylePAN
Primary Washer StyleFLAT
Thread DirectionRIGHT-HAND
ColorBLACK OVERALL
Surface TreatmentOXIDE OVERALL
Internal Drive StyleSLOT
Thread Quantity Per Inch32
MaterialPLASTIC NYLON PRIMARY WASHER
Thread Series DesignatorUNF
Washer Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
1421ABK25 PRIMARY Hammond Maufacturing Company Inc (USA)
No interchangeability data on file.
Other items in FSC 5305 — Screws
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 5305-01-629-8583?

NSN 5305-01-629-8583 is a Screw,assembled Washer, manufactured by Hammond Maufacturing Company Inc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-629-8583?

NSN 5305-01-629-8583 has 1 manufacturer part number on file: 1421ABK25 (Hammond Maufacturing Company Inc).

What are the specifications of 1421ABK25?

Key specifications for 1421ABK25: Thread Length: 0.625 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: PAN; Primary Washer Style: FLAT. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-629-8583 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.
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