PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

115548Washer,lock

General Motors Corp · NSN 5310-00-011-5548 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-011-5548 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-011-5548. Primary manufacturer part number: 115548.
Features
  • Washer,lock — FSC 5310
  • Material Thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
  • Outside Diameter: 0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
  • Hole Diameter: 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
  • Style Designator: FLAT INTERNAL TEETH
  • 17 verified cross-references
  • Primary manufacturer: General Motors Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-011-5548, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 15 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
NSN5310-00-011-5548
Primary Part Number115548
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Material Thickness0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
Outside Diameter0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
Hole Diameter0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
Style DesignatorFLAT INTERNAL TEETH
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6540-00-001-0101P0.25 SPHERE INTERCHANGEABLE
Lens,ophthalmic,sphere
Dispensers Optical Service Corp
4730-00-007-941113219E4285-2 INTERCHANGEABLE
Plug,quick Disconnect
Cecom Lr Center
5310-00-167-0721MS35333-41 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-00-461-7409P2-5RP INTERCHANGEABLE
Packing Material
Star Hydraulics Llc
5120-00-468-1029P25 INTERCHANGEABLE
Remover,bearing
Circor Naval Solutions Llc Dba Warren Pumps
5310-00-543-2739MS35333-72 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
2940-00-554-771251121 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5999-00-679-8511P25 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
4520-00-818-1998P-25 INTERCHANGEABLE
Heating Element,electrical,nonim
Star Mfg Intl Toastwell
5985-00-834-3306 INTERCHANGEABLE
Support,waveguide
Cross-Reference Index
Part NumberManufacturer
1218 Itw Shakeproof Automotive Products (USA)
P25 Fmc Corp (USA)
11501869 Howco Distributing Co. Dba Howco Distributing Co (USA)
WL5-16 Itw Food Equipment Group Llc Dba Hobart Service (USA)
X10-89 Renk America Llc Div Renk America (USA)
22819D Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
115548 PRIMARY General Motors Corp (USA)
NASM35333 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310-011-5548 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
X10-89 Lipe Corp (USA)
H1511 Heil Environmental Industries (USA)
MS35333-7 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS35333-7 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
P25 Bae Systems Land & Armaments L.p. (USA)
X2977D Liberty Ventures Inti, Llc (USA)
115548 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
MS35333-7 PRIMARY General Motors Corp (USA)
Related Parts
6540-00-001-0101INTERCHANGEABLE
LENS,OPHTHALMIC,SPHERE
P0.25 SPHERE
4730-00-007-9411INTERCHANGEABLE
PLUG,QUICK DISCONNECT
13219E4285-2
5310-00-167-0721INTERCHANGEABLE
WASHER,LOCK
MS35333-41
5330-00-461-7409INTERCHANGEABLE
PACKING MATERIAL
P2-5RP
5120-00-468-1029INTERCHANGEABLE
REMOVER,BEARING
P25
5310-00-543-2739INTERCHANGEABLE
WASHER,LOCK
MS35333-72
2940-00-554-7712INTERCHANGEABLE
FILTER ELEMENT,FLUID
51121
5999-00-679-8511INTERCHANGEABLE
HEATER,THERMAL RELEASE
P25
4520-00-818-1998INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
P-25
5985-00-834-3306INTERCHANGEABLE
SUPPORT,WAVEGUIDE
4930-00-994-4044INTERCHANGEABLE
PUMP,HYDRAULIC
P-25
6625-01-039-2702INTERCHANGEABLE
GENERATOR,PULSE
P23

Frequently Asked Questions

What is NSN 5310-00-011-5548?

NSN 5310-00-011-5548 is a Washer,lock, manufactured by General Motors Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-011-5548?

NSN 5310-00-011-5548 has 17 cross-referenced part numbers: 1218 (Itw Shakeproof Automotive Products), P25 (Fmc Corp), 11501869 (Howco Distributing Co. Dba Howco Distributing Co), WL5-16 (Itw Food Equipment Group Llc Dba Hobart Service), X10-89 (Renk America Llc Div Renk America) and 12 more.

What NSN replaces 5310-00-011-5548?

There are 12 known substitutes for 5310-00-011-5548: 6540-00-001-0101, 4730-00-007-9411, 5310-00-167-0721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 115548?

Key specifications for 115548: Material Thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Outside Diameter: 0.594 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN; Hole Diameter: 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN; Style Designator: FLAT INTERNAL TEETH. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-011-5548 still in active supply?

NSN 5310-00-011-5548 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.
PartsTable Design LLC · partstable.com