PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120384Washer,lock

Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems · NSN 5310-00-482-9493 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-482-9493 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-482-9493. Primary manufacturer part number: 120384.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
  • Hole Diameter: 0.509 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN
  • Material Thickness: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Outside Diameter: 0.873 INCHES NOMINAL IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Surface Treatment: CADMIUM OR ZINC OVERALL
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 5310-00-482-9493, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-482-9493
Primary Part Number120384
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerZf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
StatusACTIVE
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationQQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Hole Diameter0.509 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN
Material Thickness0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Outside Diameter0.873 INCHES NOMINAL IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Surface TreatmentCADMIUM OR ZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-00-011-6121 INTERCHANGEABLE
Washer,lock
5310-00-184-2449120384 INTERCHANGEABLE
Wash34
Navistar Intl Corp Truck Br Ohio Plant
5310-00-272-4113120384 INTERCHANGEABLE
Washer,lock
Napco International Llc Dba Napco International Inc
5120-00-357-58645120-00-357-5864 INTERCHANGEABLE
Face,hammer,inserted
General Services Administration Federal Supply Service
5961-00-421-29951203-84 INTERCHANGEABLE
Transistor
Bae Systems Information and Electronic Systems Integration Inc.
5310-00-584-5272MS35338-48 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-278-398312-0526 INTERCHANGEABLE
Nut,special
Sweepster Attachments, Llc
5310-01-308-1304 INTERCHANGEABLE
Washer,lock
3460-01-445-1078120384 INTERCHANGEABLE
Chuck,universal Jaw
Huck International, Inc. Div Kingston Operations
5310-01-524-7583120-384 INTERCHANGEABLE
Nut,self-Locking,hexagon
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
120384 PRIMARY Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems (USA)
5310PL0704508 Jednolity Indeks Materialowy - Uniform Material Index (POL)
20-SN Spaenaur Inc (CAN)
Related Parts
5310-00-011-6121INTERCHANGEABLE
WASHER,LOCK
5310-00-184-2449INTERCHANGEABLE
WASH34
120384
5310-00-272-4113INTERCHANGEABLE
WASHER,LOCK
120384
5120-00-357-5864INTERCHANGEABLE
FACE,HAMMER,INSERTED
5120-00-357-5864
5961-00-421-2995INTERCHANGEABLE
TRANSISTOR
1203-84
5310-00-584-5272INTERCHANGEABLE
WASHER,LOCK
MS35338-48
5310-01-278-3983INTERCHANGEABLE
NUT,SPECIAL
12-0526
5310-01-308-1304INTERCHANGEABLE
WASHER,LOCK
3460-01-445-1078INTERCHANGEABLE
CHUCK,UNIVERSAL JAW
120384
5310-01-524-7583INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
120-384
6240-01-537-7602INTERCHANGEABLE
LAMP,INCANDESCENT
ST405

Frequently Asked Questions

What is NSN 5310-00-482-9493?

NSN 5310-00-482-9493 is a Washer,lock, manufactured by Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-482-9493?

NSN 5310-00-482-9493 has 3 cross-referenced part numbers: 120384 (Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems), 5310PL0704508 (Jednolity Indeks Materialowy - Uniform Material Index), 20-SN (Spaenaur Inc).

What NSN replaces 5310-00-482-9493?

There are 11 known substitutes for 5310-00-482-9493: 5310-00-011-6121, 5310-00-184-2449, 5310-00-272-4113 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120384?

Key specifications for 120384: Material: STEEL OVERALL; Surface Treatment Document and Classification: QQ-P-416 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 FED SPEC 2ND TREATMENT RESPONSE OVERALL; Hole Diameter: 0.509 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN; Material Thickness: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. 7 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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