PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2B4725Washer,flat

Fwd Seagrave Holdings Lp · NSN 5310-00-178-9605 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-178-9605 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-178-9605. Primary manufacturer part number: 2B4725.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL
  • Thickness: 0.125 INCHES NOMINAL IN
  • Overall Diameter: 2.000 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
  • Hole Diameter: 0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1010 or Steel Comp 1020 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-178-9605, 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 9 commercial cross-references from 9 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
NSN5310-00-178-9605
Primary Part Number2B4725
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
Peripheral Shape StyleROUND
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 1010 OR STEEL COMP 1020 OVERALL
Thickness0.125 INCHES NOMINAL IN
Overall Diameter2.000 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
Hole Diameter0.906 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
8030-00-145-0117 INTERCHANGEABLE
Sealing Compound
5340-00-346-5874 INTERCHANGEABLE
Washer
6625-00-349-9924 INTERCHANGEABLE
Bridge,resistance
1680-00-566-192892178 INTERCHANGEABLE
Receptacle,waste Pa
Northrop Grumman Systems Corporation
5935-00-666-30014725 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
4920-00-675-115959B3600 INTERCHANGEABLE
Test Set,pneumatic System Compon
Warner Robins Air Logistics Center
3455-01-061-77234725 INTERCHANGEABLE
Cutter Bit,tool Holder
Hennessy Industries, Llc.
5340-01-230-05504725 INTERCHANGEABLE
Hardware Kit,electronic Equipmen
Keystone Electronics Corp
4920-01-299-967492178 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
6105-01-320-26274725 INTERCHANGEABLE
Motor,alternating Current
General Electric Co Motor Business Group
Cross-Reference Index
Part NumberManufacturer
Q1558 Navistar Intl Corp Truck Br Ohio Plant (USA)
Q1558 Navistar International Corporation Dba Navistar (USA)
Q1558 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
2B4725 PRIMARY Fwd Seagrave Holdings Lp (USA)
BB27203 Diamond Reo Truck Co (USA)
TX404 Seagrave Corp the (USA)
4725 Eaton Corp Transmission Div (USA)
92178 Graham Paige Corp (USA)
4725 PRIMARY Abm Equipment, Llc (USA)
Related Parts
8030-00-145-0117INTERCHANGEABLE
SEALING COMPOUND
5340-00-346-5874INTERCHANGEABLE
WASHER
6625-00-349-9924INTERCHANGEABLE
BRIDGE,RESISTANCE
1680-00-566-1928INTERCHANGEABLE
RECEPTACLE,WASTE PA
92178
5935-00-666-3001INTERCHANGEABLE
ADAPTER,CONNECTOR
4725
4920-00-675-1159INTERCHANGEABLE
TEST SET,PNEUMATIC SYSTEM COMPON
59B3600
3455-01-061-7723INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
4725
5340-01-230-0550INTERCHANGEABLE
HARDWARE KIT,ELECTRONIC EQUIPMEN
4725
4920-01-299-9674INTERCHANGEABLE
TEST PROGRAM SET
92178
6105-01-320-2627INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
4725
7920-01-321-6791INTERCHANGEABLE
CLOTH,CLEANING
TX404
2530-01-394-0392INTERCHANGEABLE
PARTS KIT,VEHICULAR WHEEL
KIT4725

Frequently Asked Questions

What is NSN 5310-00-178-9605?

NSN 5310-00-178-9605 is a Washer,flat, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-178-9605?

NSN 5310-00-178-9605 has 9 cross-referenced part numbers: Q1558 (Navistar Intl Corp Truck Br Ohio Plant), Q1558 (Navistar International Corporation Dba Navistar), Q1558 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 2B4725 (Fwd Seagrave Holdings Lp), BB27203 (Diamond Reo Truck Co) and 4 more.

What NSN replaces 5310-00-178-9605?

There are 12 known substitutes for 5310-00-178-9605: 8030-00-145-0117, 5340-00-346-5874, 6625-00-349-9924 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2B4725?

Key specifications for 2B4725: Peripheral Shape Style: ROUND; Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 1010 OR STEEL COMP 1020 OVERALL; Thickness: 0.125 INCHES NOMINAL IN. 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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