PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35333-72Washer,lock

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-543-2739 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-543-2739 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-543-2739. Primary manufacturer part number: MS35333-72.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Diameter: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
  • Style Designator: FLAT INTERNAL TEETH
  • Surface Treatment Document and Classification: QQ-P-35,TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
  • Material Thickness: 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-543-2739, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 26 commercial cross-references from 20 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
NSN5310-00-543-2739
Primary Part NumberMS35333-72
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Style DesignatorFLAT INTERNAL TEETH
Surface Treatment Document and ClassificationQQ-P-35,TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Outside Diameter0.325 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
Material Thickness0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-011-44960913177-2 INTERCHANGEABLE
Nut,plain,hexagon
Agco Corp Parts Opn
5310-00-011-5548115548 INTERCHANGEABLE
Washer,lock
General Motors Corp
5310-00-019-0670MS35333-106 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-274-8692 INTERCHANGEABLE
Washer,lock
1620-00-703-7254170805 INTERCHANGEABLE
Arm,lower Torque
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
5962-01-006-2629MM6280 INTERCHANGEABLE
Microcitcuit
Texas Instruments Incorporated
5955-01-049-3241373-0003-000 INTERCHANGEABLE
Crystal Unit,quartz
Rtp Corp
5310-01-145-456421C116-06 INTERCHANGEABLE
Washer,lock
Nextiraone Solutions Llc
6685-01-257-3121 INTERCHANGEABLE
Indicator,temperature,electrical
6145-01-599-53291003546 INTERCHANGEABLE
Cable,power,electrical
Vt Leeboy Inc. Dba Leeboy Div Vt Leeboy
Cross-Reference Index
Part NumberManufacturer
5310PL0578660 Jednolity Indeks Materialowy - Uniform Material Index (POL)
373-0003-000 Zf Industrieantriebe Witten Gmbh (DEU)
100354-6 Symbolic Displays, Inc (USA)
824637-6 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
802005-008 Evans & Sutherland Computer Corp (USA)
946147-508 Litton Systems Inc. Div Navigation Systems Division (USA)
824637-6 Lockheed Martin Corporation Div Rms (USA)
1810-100 ITEM 13 Hydracon Company, Inc (USA)
M05-5432739 Misco Inc (USA)
5163008-00 Zf Industrieantriebe Witten Gmbh (DEU)
5310PL1448591 Jednolity Indeks Materialowy - Uniform Material Index (POL)
236-1040P4 Zf Industrieantriebe Witten Gmbh (DEU)
2810102-003 Cyberguard Corporation (USA)
A1QA08H Allmetal Screw Products Corp (USA)
MS35333-72 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM35333 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
5310PL1377298 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS35333-72 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8INTSST Allmetal Screw Products Corp (USA)
8LBB1 Viking Technologies, Ltd. (USA)
Related Parts
5310-00-011-4496INTERCHANGEABLE
NUT,PLAIN,HEXAGON
0913177-2
5310-00-011-5548INTERCHANGEABLE
WASHER,LOCK
115548
5310-00-019-0670INTERCHANGEABLE
WASHER,LOCK
MS35333-106
5310-00-274-8692INTERCHANGEABLE
WASHER,LOCK
1620-00-703-7254INTERCHANGEABLE
ARM,LOWER TORQUE
170805
5962-01-006-2629INTERCHANGEABLE
MICROCITCUIT
MM6280
5955-01-049-3241INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
373-0003-000
5310-01-145-4564INTERCHANGEABLE
WASHER,LOCK
21C116-06
6685-01-257-3121INTERCHANGEABLE
INDICATOR,TEMPERATURE,ELECTRICAL
6145-01-599-5329INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
1003546
5310-01-606-7223INTERCHANGEABLE
WASHER,LOCK
5905-01-645-9624INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
1003546

Frequently Asked Questions

What is NSN 5310-00-543-2739?

NSN 5310-00-543-2739 is a Washer,lock, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-543-2739?

NSN 5310-00-543-2739 has 26 cross-referenced part numbers: 5310PL0578660 (Jednolity Indeks Materialowy - Uniform Material Index), 373-0003-000 (Zf Industrieantriebe Witten Gmbh), 100354-6 (Symbolic Displays, Inc), 824637-6 (Lockheed Martin Corporation Div Rms - Mitchel Field), 802005-008 (Evans & Sutherland Computer Corp) and 21 more.

What NSN replaces 5310-00-543-2739?

There are 12 known substitutes for 5310-00-543-2739: 5310-00-011-4496, 5310-00-011-5548, 5310-00-019-0670 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35333-72?

Key specifications for MS35333-72: Surface Treatment: PASSIVATE OVERALL; Hole Diameter: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN; Style Designator: FLAT INTERNAL TEETH; Surface Treatment Document and Classification: QQ-P-35,TY 2 OR TY 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-543-2739 still in active supply?

NSN 5310-00-543-2739 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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