PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5159Washer,flat

Lockheed Martin Corp · NSN 5310-00-995-8235 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-995-8235 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-995-8235. Primary manufacturer part number: 5159.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: QQ-B-750 FED SPEC ALL MATERIAL RESPONSES AND QQ-W-341 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Material: COPPER ALLOY OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Thickness: 0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
  • Hole Diameter: 0.183 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-995-8235, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-995-8235
Primary Part Number5159
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Material Document and ClassificationQQ-B-750 FED SPEC ALL MATERIAL RESPONSES AND QQ-W-341 FED SPEC ALL MATERIAL RESPONSES OVERALL
MaterialCOPPER ALLOY OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Thickness0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Hole Diameter0.183 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
Overall Diameter0.820 INCHES MINIMUM AND 0.920 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-036-1755012.500.0009 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5305-00-150-9210 INTERCHANGEABLE
Screw,machine
6625-00-197-6389535162-306 INTERCHANGEABLE
Ammeter
Marathonnorco Aerospace, Inc. Dba Christie Electric
5935-00-204-6056TRU-0861 INTERCHANGEABLE
Connector,receptacle,electrical
Winchester Interconnect Rf Corporation
5930-00-258-5289BZ-R31 INTERCHANGEABLE
Switch,sensitive
Honeywell International Inc. Dba Honeyweel Sensing & Controls
5920-00-280-8342 INTERCHANGEABLE
Fuse,cartridge
5950-00-597-36615159 INTERCHANGEABLE
Transformer,power
Carson Mfg Co Inc
5950-00-725-7271 INTERCHANGEABLE
Transformer,power
5360-00-832-1748 INTERCHANGEABLE
Spring
2530-01-092-85193898145 INTERCHANGEABLE
Caliper,disc Brake
Chrysler Corp Service and Parts Opns
Cross-Reference Index
Part NumberManufacturer
5159 PRIMARY Lockheed Martin Corp (USA)
5159 B/e Aerospace Inc Dba Interturbine (USA)
Related Parts
4820-00-036-1755INTERCHANGEABLE
SEAT,VALVE
012.500.0009
5305-00-150-9210INTERCHANGEABLE
SCREW,MACHINE
6625-00-197-6389INTERCHANGEABLE
AMMETER
535162-306
5935-00-204-6056INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
TRU-0861
5930-00-258-5289INTERCHANGEABLE
SWITCH,SENSITIVE
BZ-R31
5920-00-280-8342INTERCHANGEABLE
FUSE,CARTRIDGE
5950-00-597-3661INTERCHANGEABLE
TRANSFORMER,POWER
5159
5950-00-725-7271INTERCHANGEABLE
TRANSFORMER,POWER
5360-00-832-1748INTERCHANGEABLE
SPRING
2530-01-092-8519INTERCHANGEABLE
CALIPER,DISC BRAKE
3898145
5915-01-184-4122INTERCHANGEABLE
FILTER,BAND PASS
293-1319-010
5940-01-346-4964INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT

Frequently Asked Questions

What is NSN 5310-00-995-8235?

NSN 5310-00-995-8235 is a Washer,flat, manufactured by Lockheed Martin Corp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-995-8235?

NSN 5310-00-995-8235 has 2 cross-referenced part numbers: 5159 (Lockheed Martin Corp), 5159 (B/e Aerospace Inc Dba Interturbine).

What NSN replaces 5310-00-995-8235?

There are 12 known substitutes for 5310-00-995-8235: 4820-00-036-1755, 5305-00-150-9210, 6625-00-197-6389 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5159?

Key specifications for 5159: Material Document and Classification: QQ-B-750 FED SPEC ALL MATERIAL RESPONSES AND QQ-W-341 FED SPEC ALL MATERIAL RESPONSES OVERALL; Material: COPPER ALLOY OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 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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