PartsTable TECHNICAL DATA SHEET
NSN 5305-01-372-8971Government record, cited

Screw, Cap, Hexagon Head5305-01-372-8971

NSN 5305-01-372-8971 · NIIN 013728971 · Part number 21555870
Fairbanks Morse, Llc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 7PZX0
Government record, cited
NSN 5305-01-372-8971 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-372-8971. Manufacturer of record part number: 21555870.
Also searched as  5305-01-372-8971 · 5305013728971 · NIIN 013728971 · 01-372-8971 · FSC 5305 Screws · CAGE 7PZX0 · 21555870
Nearby stock numbers  ·
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Fastener Length: 2.000 INCHES NOMINAL IN
  • Thread Length: 2.000 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.625 INCHES IN
  • Head Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Material: STEEL OVERALL
  • 1 manufacturer part number on file
Identification
  • NSN: 5305-01-372-8971
  • NIIN: 013728971
  • FSC: 5305 — Screws
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 21555870
  • Manufacturer: Fairbanks Morse, Llc
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-372-8971, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-372-8971
Primary Part Number21555870
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — Screws
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Fastener Length2.000 INCHES NOMINAL IN
Thread Length2.000 INCHES NOMINAL IN
Nominal Thread Diameter0.625 INCHES IN
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
MaterialSTEEL OVERALL
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
21555870 PRIMARY Fairbanks Morse, Llc (USA)
Reference documents
ReferenceMeaning
21555870 3/9 Design control — primary reference
Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco
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 5305-01-372-8971?

NSN 5305-01-372-8971 is a Screw,cap,hexagon Head, manufactured by Fairbanks Morse, Llc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-372-8971?

NSN 5305-01-372-8971 has 1 manufacturer part number on file: 21555870 (Fairbanks Morse, Llc).

What are the specifications of 21555870?

Key specifications for 21555870: Fastener Length: 2.000 INCHES NOMINAL IN; Thread Length: 2.000 INCHES NOMINAL IN; Nominal Thread Diameter: 0.625 INCHES IN; Head Style: HEXAGON. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-372-8971 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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