PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

905212-02Washer,lock

Northrop Grumman Systems Corporation · NSN 5310-00-155-4983 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-155-4983 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-155-4983. Primary manufacturer part number: 905212-02.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Style Designator: FLAT INTERNAL TEETH
  • Material Thickness: 0.022 INCHES NOMINAL IN
  • Hole Diameter: 0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
  • Outside Diameter: 0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
  • 9 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-155-4983, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-155-4983
Primary Part Number905212-02
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
MaterialSTEEL OVERALL
Style DesignatorFLAT INTERNAL TEETH
Material Thickness0.022 INCHES NOMINAL IN
Hole Diameter0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
Outside Diameter0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-012-2002122002 INTERCHANGEABLE
Nut,plain,hexagon
Rolls-Royce Solutions America Inc
6625-00-050-66881220-2 INTERCHANGEABLE
Ammeter
Jewell Instruments Llc
3110-00-144-86680042847-4 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5133-00-189-9247 INTERCHANGEABLE
Drill,twist
5950-00-308-093412202 INTERCHANGEABLE
Reactor
Standex Electronics, Inc.
5310-00-327-4813SMC500956-2 INTERCHANGEABLE
Washer,lock
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
1650-00-555-4636S1442 INTERCHANGEABLE
Dampener,fluid Pressure
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
5310-00-558-4187 INTERCHANGEABLE
Washer,lock
9905-00-720-537812202 INTERCHANGEABLE
Tag,stock Marking
Avery Dennison Corporation Dba Avery Dennison, Fastener Division Div Avery Dennison - Fastener Division
1560-00-773-807112202 INTERCHANGEABLE
Channel
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
Cross-Reference Index
Part NumberManufacturer
905212-02 PRIMARY Northrop Grumman Systems Corporation (USA)
5310PL1368579 Jednolity Indeks Materialowy - Uniform Material Index (POL)
S1442 Microdot Inc Everlock Chicago Div (USA)
905212-02 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
1220-2 Itw Shakeproof Automotive Products (USA)
132-3-16 Zf Industrieantriebe Witten Gmbh (DEU)
DWB00-002 Zf Industrieantriebe Witten Gmbh (DEU)
1220-02 Itw Shakeproof Automotive Products (USA)
5310PL0903258 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5310-00-012-2002INTERCHANGEABLE
NUT,PLAIN,HEXAGON
122002
6625-00-050-6688INTERCHANGEABLE
AMMETER
1220-2
3110-00-144-8668INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042847-4
5133-00-189-9247INTERCHANGEABLE
DRILL,TWIST
5950-00-308-0934INTERCHANGEABLE
REACTOR
12202
5310-00-327-4813INTERCHANGEABLE
WASHER,LOCK
SMC500956-2
1650-00-555-4636INTERCHANGEABLE
DAMPENER,FLUID PRESSURE
S1442
5310-00-558-4187INTERCHANGEABLE
WASHER,LOCK
9905-00-720-5378INTERCHANGEABLE
TAG,STOCK MARKING
12202
1560-00-773-8071INTERCHANGEABLE
CHANNEL
12202
5945-00-790-0490INTERCHANGEABLE
RELAY,ROTARY
7710256
6625-00-833-1138INTERCHANGEABLE
METER,ARBITRARY SCALE
1122-902

Frequently Asked Questions

What is NSN 5310-00-155-4983?

NSN 5310-00-155-4983 is a Washer,lock, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-155-4983?

NSN 5310-00-155-4983 has 9 cross-referenced part numbers: 905212-02 (Northrop Grumman Systems Corporation), 5310PL1368579 (Jednolity Indeks Materialowy - Uniform Material Index), S1442 (Microdot Inc Everlock Chicago Div), 905212-02 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 1220-2 (Itw Shakeproof Automotive Products) and 4 more.

What NSN replaces 5310-00-155-4983?

There are 12 known substitutes for 5310-00-155-4983: 5310-00-012-2002, 6625-00-050-6688, 3110-00-144-8668 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 905212-02?

Key specifications for 905212-02: Material: STEEL OVERALL; Style Designator: FLAT INTERNAL TEETH; Material Thickness: 0.022 INCHES NOMINAL IN; Hole Diameter: 0.377 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-155-4983 still in active supply?

NSN 5310-00-155-4983 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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