PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54102/707374Spring Assembly

Unison Industries Llc · NSN 2925-00-977-3307 · FSC 2925 · No Item Name Available
Verified by PartsTable
NSN 2925-00-977-3307 — this item is cataloged by the U.S. Government under National Stock Number 2925-00-977-3307. Primary manufacturer part number: 54102/707374.
Features
  • Spring Assembly — FSC 2925
  • General Characteristics Item Description: C/O P/N 51157 RETAINER,P/N 7286 SPRING,0.510 IN. O/A DIA,APPL ENGINE,ACFT,TURBO-JET MODEL NO. T56 IN
  • 3 verified cross-references
  • Primary manufacturer: Unison Industries Llc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring Assembly, cataloged under National Stock Number 2925-00-977-3307, is classified within Federal Supply Class 2925 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2925-00-977-3307
Primary Part Number54102/707374
Item NameSpring Assembly
FSC / FSG2925 / 29 — No Item Name Available
ManufacturerUnison Industries Llc
StatusACTIVE
General Characteristics Item DescriptionC/O P/N 51157 RETAINER,P/N 7286 SPRING,0.510 IN. O/A DIA,APPL ENGINE,ACFT,TURBO-JET MODEL NO. T56 IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5325-00-805-4246 INTERCHANGEABLE
Ring,retaining
5945-00-819-87092088154-9 INTERCHANGEABLE
Relay,electromagnetic
Honeywell International Inc Dba Honeywell
5985-01-028-677212163-2 INTERCHANGEABLE
Switch,radio Frequency Transmiss
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
4510-01-195-448250371 INTERCHANGEABLE
Trap,drain,plumbing Fixture
Nch Corporation Dba Nch Corp
Cross-Reference Index
Part NumberManufacturer
54102/707374 PRIMARY Unison Industries Llc (USA)
54102/707374 Unison Industries, Llc Dba Unison Industries Inc (USA)
54102 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
Related Parts
5325-00-805-4246INTERCHANGEABLE
RING,RETAINING
5945-00-819-8709INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
2088154-9
5985-01-028-6772INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
12163-2
4510-01-195-4482INTERCHANGEABLE
TRAP,DRAIN,PLUMBING FIXTURE
50371

Frequently Asked Questions

What is NSN 2925-00-977-3307?

NSN 2925-00-977-3307 is a Spring Assembly, manufactured by Unison Industries Llc, classified under FSC 2925 (No Item Name Available). Status: active.

What are the part numbers for NSN 2925-00-977-3307?

NSN 2925-00-977-3307 has 3 cross-referenced part numbers: 54102/707374 (Unison Industries Llc), 54102/707374 (Unison Industries, Llc Dba Unison Industries Inc), 54102 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense).

What NSN replaces 2925-00-977-3307?

There are 4 known substitutes for 2925-00-977-3307: 5325-00-805-4246, 5945-00-819-8709, 5985-01-028-6772 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54102/707374?

Key specifications for 54102/707374: General Characteristics Item Description: C/O P/N 51157 RETAINER,P/N 7286 SPRING,0.510 IN. O/A DIA,APPL ENGINE,ACFT,TURBO-JET MODEL NO. T56 IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com