PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25621Ring,retaining

Bowmar Llc Dba Bowmar Instrument Corp · NSN 5325-01-257-6720 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-257-6720 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-257-6720. Primary manufacturer part number: 25621.
Features
  • Ring,retaining — FSC 5325
  • 1 verified cross-reference
  • Primary manufacturer: Bowmar Llc Dba Bowmar Instrument Corp
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-257-6720, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bowmar Llc Dba Bowmar Instrument Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 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)
ManufacturersBowmar Llc Dba Bowmar Instrument Corp (CAGE 99479)
Technical Specifications
ParameterValue
NSN5325-01-257-6720
Primary Part Number25621
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerBowmar Llc Dba Bowmar Instrument Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2920-00-229-55469-29210 INTERCHANGEABLE
Rotor,ignition Distributor
Thermo Power Corp Engine Div
5999-00-238-1213A23-1131 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5133-00-266-946811/16 2510/950 INTERCHANGEABLE
Drill,twist
Greenfield Industries Inc
3110-01-012-747125621 INTERCHANGEABLE
Plate,retaining,bearing
Williams International Co., L.l.c.
5310-01-032-352425621 INTERCHANGEABLE
Washer,flat
Triumph Engine Control Systems Llc
5133-01-443-307725621 INTERCHANGEABLE
Drill,twist
Time Fastener Co Inc
6635-01-585-47212562-1 INTERCHANGEABLE
Reference Standard,physical Prop
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
Cross-Reference Index
Part NumberManufacturer
25621 PRIMARY Bowmar Llc Dba Bowmar Instrument Corp (USA)
Related Parts
2920-00-229-5546INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
9-29210
5999-00-238-1213INTERCHANGEABLE
CONTACT,ELECTRICAL
A23-1131
5133-00-266-9468INTERCHANGEABLE
DRILL,TWIST
11/16 2510/950
3110-01-012-7471INTERCHANGEABLE
PLATE,RETAINING,BEARING
25621
5310-01-032-3524INTERCHANGEABLE
WASHER,FLAT
25621
5133-01-443-3077INTERCHANGEABLE
DRILL,TWIST
25621
6635-01-585-4721INTERCHANGEABLE
REFERENCE STANDARD,PHYSICAL PROP
2562-1

Frequently Asked Questions

What is NSN 5325-01-257-6720?

NSN 5325-01-257-6720 is a Ring,retaining, manufactured by Bowmar Llc Dba Bowmar Instrument Corp, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-257-6720?

NSN 5325-01-257-6720 has 1 cross-referenced part number: 25621 (Bowmar Llc Dba Bowmar Instrument Corp).

What NSN replaces 5325-01-257-6720?

There are 7 known substitutes for 5325-01-257-6720: 2920-00-229-5546, 5999-00-238-1213, 5133-00-266-9468 and 4 more. Verify interchangeability with system specifications before substitution.

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