PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7A7925Spring,helical,compression

Napco International Llc Dba Napco International Inc · NSN 5360-00-257-2171 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-257-2171 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-257-2171. Primary manufacturer part number: 7A7925.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 3.750 INCHES NOMINAL IN
  • Spring Free Length: 4.250 INCHES NOMINAL IN
  • Style Designator: TAPERED
  • Spring Free Outside Diameter: 6.750 INCHES NOMINAL IN
  • Material Document and Classification: QQ-W-423,FORM 1,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Coil Helix Direction: RIGHT-HAND
  • Coil Quantity: 3
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 304 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-257-2171, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-257-2171
Primary Part Number7A7925
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Inside Diameter3.750 INCHES NOMINAL IN
Spring Free Length4.250 INCHES NOMINAL IN
Style DesignatorTAPERED
Spring Free Outside Diameter6.750 INCHES NOMINAL IN
Material Document and ClassificationQQ-W-423,FORM 1,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Coil Helix DirectionRIGHT-HAND
Coil Quantity3
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
MaterialSTEEL COMP 304 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
8030-00-251-3980 INTERCHANGEABLE
Antiseize Compound
5975-00-518-45526253S INTERCHANGEABLE
Rod,ground
Abb Installation Products Inc
5315-00-687-2415MS51987-371 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-877-5458C54 INTERCHANGEABLE
Clamp,loop
Designatronics Incorporated Div Sterling Instruments Div
6640-01-014-6003409112 INTERCHANGEABLE
Pipet,serological
Corning Glass Works
5140-01-314-1815C0506 INTERCHANGEABLE
Roll,tools and Accessories
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
3010-01-329-1496 INTERCHANGEABLE
Gear Assembly,speed Decreaser
5340-01-665-6763 INTERCHANGEABLE
Cover,access
5985-01-703-3246C5-6 INTERCHANGEABLE
Coupler,directional
Microwave Communications Laboratories, Inc.
Cross-Reference Index
Part NumberManufacturer
15LC14 Oshkosh Defense Llc (USA)
C5-4 Kaitlin Corp (USA)
7A7925 PRIMARY Napco International Llc Dba Napco International Inc (USA)
C5-6 Lipe Corp (USA)
16624P11 Taylor Machine Works Inc (USA)
15LC14 Oshkosh Corp (USA)
C5-4 Paccar Government Group Co Yarrow Bay Office Pk (USA)
H3183 American Standard Inc Westinghouse Air Brake Co Div (USA)
C5-4 PRIMARY Kenworth Truck Co a Div of Paccar Inc (USA)
3B0522 PRIMARY Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
22088J Diamond Reo Truck Co (USA)
H8525 American Standard Inc Westinghouse Air Brake Co Div (USA)
3DC5-4 PRIMARY Fwd Seagrave Holdings Lp (USA)
C5-4 Dart Truck Co (USA)
7CFL21 PRIMARY Mack Trucks Inc Parts Opn (USA)
C5-4 Lipe Corp (USA)
409112 White Motor Corp (USA)
Related Parts
8030-00-251-3980INTERCHANGEABLE
ANTISEIZE COMPOUND
5975-00-518-4552INTERCHANGEABLE
ROD,GROUND
6253S
5315-00-687-2415INTERCHANGEABLE
PIN,SPRING
MS51987-371
5340-00-877-5458INTERCHANGEABLE
CLAMP,LOOP
C54
6640-01-014-6003INTERCHANGEABLE
PIPET,SEROLOGICAL
409112
5140-01-314-1815INTERCHANGEABLE
ROLL,TOOLS AND ACCESSORIES
C0506
3010-01-329-1496INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
5340-01-665-6763INTERCHANGEABLE
COVER,ACCESS
5985-01-703-3246INTERCHANGEABLE
COUPLER,DIRECTIONAL
C5-6

Frequently Asked Questions

What is NSN 5360-00-257-2171?

NSN 5360-00-257-2171 is a Spring,helical,compression, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-257-2171?

NSN 5360-00-257-2171 has 17 cross-referenced part numbers: 15LC14 (Oshkosh Defense Llc), C5-4 (Kaitlin Corp), 7A7925 (Napco International Llc Dba Napco International Inc), C5-6 (Lipe Corp), 16624P11 (Taylor Machine Works Inc) and 12 more.

What NSN replaces 5360-00-257-2171?

There are 9 known substitutes for 5360-00-257-2171: 8030-00-251-3980, 5975-00-518-4552, 5315-00-687-2415 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7A7925?

Key specifications for 7A7925: Inside Diameter: 3.750 INCHES NOMINAL IN; Spring Free Length: 4.250 INCHES NOMINAL IN; Style Designator: TAPERED; Spring Free Outside Diameter: 6.750 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-257-2171 still in active supply?

NSN 5360-00-257-2171 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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