PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

851230Washer,flat

Us Army Aviation and Missile Command · NSN 5310-00-167-0803 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-167-0803 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-167-0803. Primary manufacturer part number: 851230.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
  • Material: STEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
  • Overall Diameter: 0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting or Steel Comp 321 or Steel Comp 347 or Steel Comp 348 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-167-0803, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 38 commercial cross-references from 23 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
NSN5310-00-167-0803
Primary Part Number851230
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusCANCELLED
Center Hole Shape StyleROUND
Thickness0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Material Document and ClassificationMIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
MaterialSTEEL CORROSION RESISTING OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 348 OVERALL
Overall Diameter0.557 INCHES MINIMUM AND 0.582 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-019-991992115 INTERCHANGEABLE
Setscrew
Telemechanics Inc
5330-00-251-4277840291 INTERCHANGEABLE
Gasket
Eaton Aerospace, Llc Dba Jackson South
6110-00-294-4067 INTERCHANGEABLE
Regulator,voltage
6210-00-299-3911 INTERCHANGEABLE
Lens,light
5330-00-329-2409F400B00220 INTERCHANGEABLE
Gasket
Sealcraft Corporation
6665-00-406-945008-92115 INTERCHANGEABLE
Tube,amonia Detecto
Mine Safety Appliances Company
1045-00-508-4372840291 INTERCHANGEABLE
Latch and Arms Assy
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-00-541-8159 INTERCHANGEABLE
Valve,plug
5905-00-755-851092115 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Faber Castell Corp
5310-01-212-3740 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
NAS1149C0563R Leonardo Spa Helicopters Division - Production Site (ITA)
5310PL1389538 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5310PL0722487 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5410-161 Raytheon Company Dba Raytheon (USA)
840291 Ordnance Supply Office (USA)
280457PC12 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
166216PC5 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
5310PL0194658 Jednolity Indeks Materialowy - Uniform Material Index (POL)
851230 PRIMARY Us Army Aviation and Missile Command (USA)
B90-0T4 Naval Ordnance Standards (USA)
672075-197 Zf Industrieantriebe Witten Gmbh (DEU)
938.77.61.017 Pilatus Aircraft Ltd (CHE)
709173PC10 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
AN960C516 Zf Industrieantriebe Witten Gmbh (DEU)
92-11-5 Curtiss-Wright Controls Integrated Sensing, Inc. (USA)
166216PC500 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
122450PC10 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
FFW92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
145-4510955-56 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
330005B Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5305-00-019-9919INTERCHANGEABLE
SETSCREW
92115
5330-00-251-4277INTERCHANGEABLE
GASKET
840291
6110-00-294-4067INTERCHANGEABLE
REGULATOR,VOLTAGE
6210-00-299-3911INTERCHANGEABLE
LENS,LIGHT
5330-00-329-2409INTERCHANGEABLE
GASKET
F400B00220
6665-00-406-9450INTERCHANGEABLE
TUBE,AMONIA DETECTO
08-92115
1045-00-508-4372INTERCHANGEABLE
LATCH AND ARMS ASSY
840291
4820-00-541-8159INTERCHANGEABLE
VALVE,PLUG
5905-00-755-8510INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
92115
5310-01-212-3740INTERCHANGEABLE
WASHER,FLAT
4920-01-300-1948INTERCHANGEABLE
TEST PROGRAM SET
92115
5120-01-368-2303INTERCHANGEABLE
BIT,SCREWDRIVER
5120-01-368-2303

Frequently Asked Questions

What is NSN 5310-00-167-0803?

NSN 5310-00-167-0803 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-167-0803?

NSN 5310-00-167-0803 has 38 cross-referenced part numbers: NAS1149C0563R (Leonardo Spa Helicopters Division - Production Site), 5310PL1389538 (Jednolity Indeks Materialowy - Uniform Material Index), 5310PL0722487 (Jednolity Indeks Materialowy - Uniform Material Index), 5410-161 (Raytheon Company Dba Raytheon), 840291 (Ordnance Supply Office) and 33 more.

What NSN replaces 5310-00-167-0803?

There are 12 known substitutes for 5310-00-167-0803: 5305-00-019-9919, 5330-00-251-4277, 6110-00-294-4067 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 851230?

Key specifications for 851230: Center Hole Shape Style: ROUND; Thickness: 0.053 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-6721 MIL SPEC 4TH MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-167-0803 still in active supply?

NSN 5310-00-167-0803 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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