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NSN 5310-01-074-8990Government record, cited

Washer, Flat5310-01-074-8990

NSN 5310-01-074-8990 · NIIN 010748990 · Part number 12273983
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 19207
Government record, cited
NSN 5310-01-074-8990 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-074-8990. Manufacturer of record part number: 12273983.
Also searched as  5310-01-074-8990 · 5310010748990 · NIIN 010748990 · 01-074-8990 · FSC 5310 Nuts and Washers · CAGE 19207 · 12273983
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Surface Treatment Document and Classification: QQ-P-35,TYPE III FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Overall Diameter: 0.760 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: PASSIVATE OVERALL
  • Peripheral Shape Style: ROUND
  • Material: STEEL COMP 410 OVERALL
  • Center Hole Shape Style: ROUND
Identification
  • NSN: 5310-01-074-8990
  • NIIN: 010748990
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 12273983
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-074-8990, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-074-8990
Primary Part Number12273983
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Surface Treatment Document and ClassificationQQ-P-35,TYPE III FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter0.760 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentPASSIVATE OVERALL
Peripheral Shape StyleROUND
MaterialSTEEL COMP 410 OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.3775 INCHES NOMINAL IN
Thickness0.0355 INCHES NOMINAL IN
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
12273983 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
12273983 PRIMARY Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file

Frequently Asked Questions

What is NSN 5310-01-074-8990?

NSN 5310-01-074-8990 is a Washer,flat, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-074-8990?

NSN 5310-01-074-8990 has 2 manufacturer part numbers on file: 12273983 (U S Army Tank Automotive Command Amsta-Im-Mm), 12273983 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What are the specifications of 12273983?

Key specifications for 12273983: Surface Treatment Document and Classification: QQ-P-35,TYPE III FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.760 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: HEAT TREATMENT,QUENCH AND TEMPER HARDNESS 35/40 RC; ITEM USED ON XM1. 9 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-074-8990 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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