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NSN 5310-00-267-3633Government record, cited

Washer, Flat5310-00-267-3633

NSN 5310-00-267-3633 · NIIN 002673633 · Part number A3556
Grimes Aerospace Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 72914
Government record, cited
NSN 5310-00-267-3633 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-267-3633. Manufacturer of record part number: A3556.
Also searched as  5310-00-267-3633 · 5310002673633 · NIIN 002673633 · 00-267-3633 · FSC 5310 Nuts and Washers · CAGE 72914 · A3556
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Center Hole Width: 0.125 INCHES NOMINAL IN
  • Center Hole Length: 0.260 INCHES NOMINAL IN
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Heat Treatment: AS FABRICATED
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: CADMIUM OVERALL
  • Peripheral Shape Style: ROUND
Identification
  • NSN: 5310-00-267-3633
  • NIIN: 002673633
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: A3556
  • Manufacturer: Grimes Aerospace Company
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-267-3633, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 10 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
NSN5310-00-267-3633
Primary Part NumberA3556
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerGrimes Aerospace Company
StatusACTIVE
Center Hole Width0.125 INCHES NOMINAL IN
Center Hole Length0.260 INCHES NOMINAL IN
Overall Diameter0.562 INCHES NOMINAL IN
Heat TreatmentAS FABRICATED
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentCADMIUM OVERALL
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Center Hole Shape StyleRECTANGULAR
Thickness0.050 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
A3556 PRIMARY Grimes Aerospace Company (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 5310-00-267-3633?

NSN 5310-00-267-3633 is a Washer,flat, manufactured by Grimes Aerospace Company, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-267-3633?

NSN 5310-00-267-3633 has 1 manufacturer part number on file: A3556 (Grimes Aerospace Company).

What are the specifications of A3556?

Key specifications for A3556: Center Hole Width: 0.125 INCHES NOMINAL IN; Center Hole Length: 0.260 INCHES NOMINAL IN; Overall Diameter: 0.562 INCHES NOMINAL IN; Heat Treatment: AS FABRICATED. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-267-3633 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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