PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

849291Washer,lock

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5310-00-275-5215 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-275-5215 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-275-5215. Primary manufacturer part number: 849291.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
  • Departure From Cited Document: AS MODIFIED BY SURFACE TREATMENT
  • Nondefinitive Spec/std Data: E CLASS AND 1 STYLE AND 10 SIZE
  • Surface Treatment: OXIDE FILM OVERALL
  • Hole Diameter: 0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
  • Outside Diameter: 0.323 INCHES MAXIMUM IN
  • Material: COPPER ALLOY OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-275-5215, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-275-5215
Primary Part Number849291
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Material Thickness0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
Departure From Cited DocumentAS MODIFIED BY SURFACE TREATMENT
Nondefinitive Spec/std DataE CLASS AND 1 STYLE AND 10 SIZE
Surface TreatmentOXIDE FILM OVERALL
Hole Diameter0.194 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Outside Diameter0.323 INCHES MAXIMUM IN
MaterialCOPPER ALLOY OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
ColorBLACK OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-261-8278118517-007 INTERCHANGEABLE
Washer,lock
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
AN935B10L Aeronautical Standards Group Dept of Navy and Air Force (USA)
849291 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5310002755215 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
5310002755215 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
900873-07 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
Related Parts
5310-00-261-8278INTERCHANGEABLE
WASHER,LOCK
118517-007

Frequently Asked Questions

What is NSN 5310-00-275-5215?

NSN 5310-00-275-5215 is a Washer,lock, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-275-5215?

NSN 5310-00-275-5215 has 5 cross-referenced part numbers: AN935B10L (Aeronautical Standards Group Dept of Navy and Air Force), 849291 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 5310002755215 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), 5310002755215 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 900873-07 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan).

What NSN replaces 5310-00-275-5215?

There is 1 known substitute for 5310-00-275-5215: 5310-00-261-8278. Verify interchangeability with system specifications before substitution.

What are the specifications of 849291?

Key specifications for 849291: Material Thickness: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN; Departure From Cited Document: AS MODIFIED BY SURFACE TREATMENT; Nondefinitive Spec/std Data: E CLASS AND 1 STYLE AND 10 SIZE; Surface Treatment: OXIDE FILM OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com