PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4912548-11Washer,flat

Northrop Grumman Systems Corporation · NSN 5310-01-083-2329 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-083-2329 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-083-2329. Primary manufacturer part number: 4912548-11.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Specification/standard Data: 90536-4912548 MANUFACTURERS STANDARD
  • Material Document and Classification: QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 304 or Steel Comp 316 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-083-2329, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-083-2329
Primary Part Number4912548-11
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
Center Hole Shape StyleROUND
Thickness0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Specification/standard Data90536-4912548 MANUFACTURERS STANDARD
Material Document and ClassificationQQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Hole Diameter0.151 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5310-00-880-5976MS15795-806 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
4912548-11 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
4912548-11 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
5310-00-880-5976INTERCHANGEABLE
WASHER,FLAT
MS15795-806

Frequently Asked Questions

What is NSN 5310-01-083-2329?

NSN 5310-01-083-2329 is a Washer,flat, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-083-2329?

NSN 5310-01-083-2329 has 2 cross-referenced part numbers: 4912548-11 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 4912548-11 (Northrop Grumman Systems Corporation).

What NSN replaces 5310-01-083-2329?

There is 1 known substitute for 5310-01-083-2329: 5310-00-880-5976. Verify interchangeability with system specifications before substitution.

What are the specifications of 4912548-11?

Key specifications for 4912548-11: Center Hole Shape Style: ROUND; Thickness: 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN; Peripheral Shape Style: ROUND; Surface Treatment: PASSIVATE OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-083-2329 still in active supply?

NSN 5310-01-083-2329 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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