PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1AB2135Washer,flat

Fwd Seagrave Holdings Lp · NSN 5310-00-193-9695 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-193-9695 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-193-9695. Primary manufacturer part number: 1AB2135.
Features
  • Washer,flat — FSC 5310
  • Center Hole Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Peripheral Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Thickness: 0.031 INCHES NOMINAL IN
  • Material Document and Classification: QQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Overall Diameter: 0.490 INCHES MINIMUM AND 0.510 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 5310-00-193-9695, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-193-9695
Primary Part Number1AB2135
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusCANCELLED
Center Hole Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Thickness0.031 INCHES NOMINAL IN
Material Document and ClassificationQQ-C-576 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Overall Diameter0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Hole Diameter0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
1630-00-218-8130B21-35 INTERCHANGEABLE
Spring
Goodrich Corporation
5910-00-697-7809B2135 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Meggitt (new Hampshire), Inc
5305-00-984-4992MS35206-232 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-01-047-6137B2135 INTERCHANGEABLE
Gasket
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5998-01-215-72581904-8 INTERCHANGEABLE
Extender Card,electronic Test
Gifft T H Co Inc
4730-01-217-282919048 INTERCHANGEABLE
Expansion Joint,pipe
Senior Operations Llc Div Senior Flexonics Pathway
5120-01-667-626519048 INTERCHANGEABLE
Pick and Hook Set,hand
Ritchie Engineering Co Inc
Cross-Reference Index
Part NumberManufacturer
1AB2135 Fwd Seagrave Holdings Lp (USA)
1E5252 White Motor Corp (USA)
19048 Dresser, Llc (USA)
91788 Dresser Industries Inc Waukesha Engine Div (USA)
145A5 Diamond Reo Truck Co (USA)
B2135 Dresser, Llc (USA)
19048 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
FF-W-92 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
1630-00-218-8130INTERCHANGEABLE
SPRING
B21-35
5910-00-697-7809INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
B2135
5305-00-984-4992INTERCHANGEABLE
SCREW,MACHINE
MS35206-232
5330-01-047-6137INTERCHANGEABLE
GASKET
B2135
5998-01-215-7258INTERCHANGEABLE
EXTENDER CARD,ELECTRONIC TEST
1904-8
4730-01-217-2829INTERCHANGEABLE
EXPANSION JOINT,PIPE
19048
5120-01-667-6265INTERCHANGEABLE
PICK AND HOOK SET,HAND
19048

Frequently Asked Questions

What is NSN 5310-00-193-9695?

NSN 5310-00-193-9695 is a Washer,flat, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-193-9695?

NSN 5310-00-193-9695 has 8 cross-referenced part numbers: 1AB2135 (Fwd Seagrave Holdings Lp), 1E5252 (White Motor Corp), 19048 (Dresser, Llc), 91788 (Dresser Industries Inc Waukesha Engine Div), 145A5 (Diamond Reo Truck Co) and 3 more.

What NSN replaces 5310-00-193-9695?

There are 7 known substitutes for 5310-00-193-9695: 1630-00-218-8130, 5910-00-697-7809, 5305-00-984-4992 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1AB2135?

Key specifications for 1AB2135: Center Hole Shape Style: ROUND; Material: COPPER ALLOY OVERALL; Peripheral Shape Style: ROUND; Cross-Sectional Shape Style: RECTANGULAR. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-193-9695 still in active supply?

NSN 5310-00-193-9695 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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