PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6787Ring,retaining

Coffin Turbo Pump Inc · NSN 5325-01-273-9977 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-273-9977 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-273-9977. Primary manufacturer part number: 6787.
Features
  • Ring,retaining — FSC 5325
  • 2 verified cross-references
  • Primary manufacturer: Coffin Turbo Pump Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-273-9977, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Coffin Turbo Pump Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 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)
ManufacturersFmc Corp Turbo Pump Operation (CAGE 13380); Coffin Turbo Pump Inc (CAGE 0APJ5)
Technical Specifications
ParameterValue
NSN5325-01-273-9977
Primary Part Number6787
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerCoffin Turbo Pump Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2920-00-374-45556787 INTERCHANGEABLE
Rotor,ignition Distributor
Meggitt (new Hampshire), Inc
2995-00-906-7178DS-922451 INTERCHANGEABLE
Shaft Assembly
Eaton Aerospace, Llc Dba Jackson South
5895-01-123-55426787 INTERCHANGEABLE
Electron
The Bechdon Company, Llc
6685-01-218-804667-87 INTERCHANGEABLE
Controller,vacuum,indicating
Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
Cross-Reference Index
Part NumberManufacturer
6787 Fmc Corp Turbo Pump Operation (USA)
6787 PRIMARY Coffin Turbo Pump Inc (USA)
Related Parts
2920-00-374-4555INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
6787
2995-00-906-7178INTERCHANGEABLE
SHAFT ASSEMBLY
DS-922451
5895-01-123-5542INTERCHANGEABLE
ELECTRON
6787
6685-01-218-8046INTERCHANGEABLE
CONTROLLER,VACUUM,INDICATING
67-87

Frequently Asked Questions

What is NSN 5325-01-273-9977?

NSN 5325-01-273-9977 is a Ring,retaining, manufactured by Coffin Turbo Pump Inc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-273-9977?

NSN 5325-01-273-9977 has 2 cross-referenced part numbers: 6787 (Fmc Corp Turbo Pump Operation), 6787 (Coffin Turbo Pump Inc).

What NSN replaces 5325-01-273-9977?

There are 4 known substitutes for 5325-01-273-9977: 2920-00-374-4555, 2995-00-906-7178, 5895-01-123-5542 and 1 more. Verify interchangeability with system specifications before substitution.

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