PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

251-73Ring,retaining

Insinger Machine Co · NSN 5325-01-201-8982 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-201-8982 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-201-8982. Primary manufacturer part number: 251-73.
Features
  • Ring,retaining — FSC 5325
  • 1 verified cross-reference
  • Primary manufacturer: Insinger Machine Co
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-201-8982, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Insinger Machine Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,retaining
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersInsinger Machine Co (CAGE 30793)
Technical Specifications
ParameterValue
NSN5325-01-201-8982
Primary Part Number251-73
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerInsinger Machine Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3040-00-734-015311136 INTERCHANGEABLE
Shoe,plunger,pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
6625-00-893-2267 INTERCHANGEABLE
Meter,null
4710-01-301-81198J5224 INTERCHANGEABLE
Tube Assembly,metal
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
251-73 PRIMARY Insinger Machine Co (USA)
Related Parts
3040-00-734-0153INTERCHANGEABLE
SHOE,PLUNGER,PUMP
11136
6625-00-893-2267INTERCHANGEABLE
METER,NULL
4710-01-301-8119INTERCHANGEABLE
TUBE ASSEMBLY,METAL
8J5224

Frequently Asked Questions

What is NSN 5325-01-201-8982?

NSN 5325-01-201-8982 is a Ring,retaining, manufactured by Insinger Machine Co, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-201-8982?

NSN 5325-01-201-8982 has 1 cross-referenced part number: 251-73 (Insinger Machine Co).

What NSN replaces 5325-01-201-8982?

There are 3 known substitutes for 5325-01-201-8982: 3040-00-734-0153, 6625-00-893-2267, 4710-01-301-8119. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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