PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16880Washer,lock

Trw Inc Trw Commercial Steering Div · NSN 5310-00-177-7975 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-177-7975 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-177-7975. Primary manufacturer part number: 16880.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 1.383 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hole Diameter: 0.763 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Material Thickness: 0.220 INCHES NOMINAL IN
  • Heat Treatment: COLD ROLLED
  • Style Designator: SPLIT HELICAL-RIGHT HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1065 or Steel Comp 1075 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-177-7975, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Trw Inc Trw Commercial Steering Div. Government technical data includes 9 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-177-7975
Primary Part Number16880
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTrw Inc Trw Commercial Steering Div
StatusACTIVE
Outside Diameter1.383 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hole Diameter0.763 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Material Thickness0.220 INCHES NOMINAL IN
Heat TreatmentCOLD ROLLED
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Document and ClassificationQQ-S-777 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1065 OR STEEL COMP 1075 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-096-674716880N INTERCHANGEABLE
Gasket
Harbormaster Marine, Inc
3820-00-139-443616880 INTERCHANGEABLE
Cutter Bit,dirt Auger
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
6150-00-787-9949XH4348 INTERCHANGEABLE
Lead Set,electrical
Heale Manufacturing Co Llc
5930-01-326-0449 INTERCHANGEABLE
Switch,toggle
Cross-Reference Index
Part NumberManufacturer
16880 PRIMARY Trw Inc Trw Commercial Steering Div (USA)
8705452 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5330-00-096-6747INTERCHANGEABLE
GASKET
16880N
3820-00-139-4436INTERCHANGEABLE
CUTTER BIT,DIRT AUGER
16880
6150-00-787-9949INTERCHANGEABLE
LEAD SET,ELECTRICAL
XH4348
5930-01-326-0449INTERCHANGEABLE
SWITCH,TOGGLE

Frequently Asked Questions

What is NSN 5310-00-177-7975?

NSN 5310-00-177-7975 is a Washer,lock, manufactured by Trw Inc Trw Commercial Steering Div, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-177-7975?

NSN 5310-00-177-7975 has 2 cross-referenced part numbers: 16880 (Trw Inc Trw Commercial Steering Div), 8705452 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5310-00-177-7975?

There are 4 known substitutes for 5310-00-177-7975: 5330-00-096-6747, 3820-00-139-4436, 6150-00-787-9949 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16880?

Key specifications for 16880: Outside Diameter: 1.383 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Diameter: 0.763 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

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