PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4N-9170Fastener,positive Lock

Caterpillar Inc Div Caterpillar Defense · NSN 5325-01-514-5408 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-514-5408 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-514-5408. Primary manufacturer part number: 4N-9170.
Features
  • Fastener,positive Lock — FSC 5325
  • 4 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Fastener,positive Lock, cataloged under National Stock Number 5325-01-514-5408, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 4 commercial cross-references from 3 manufacturers, 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 NameFastener,positive Lock
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersCaterpillar Inc Div Caterpillar Defense (CAGE 11083); Oshkosh Defense Llc (CAGE 75Q65); General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (CAGE 1EFH8)
Technical Specifications
ParameterValue
NSN5325-01-514-5408
Primary Part Number4N-9170
Item NameFastener,positive Lock
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2530-00-222-887211669042-5 INTERCHANGEABLE
Rubber,track Repair
U S Army Tank Automotive Command Amsta-Im-Mm
1650-00-787-1219200040-1 INTERCHANGEABLE
Cover,valve Flapper
Woodward Hrt Inc
5365-01-060-760420004-01 INTERCHANGEABLE
Retainer Ring,thrus
Parker-Hannifin Corp Div Hydraulic Pump/motor Division
Cross-Reference Index
Part NumberManufacturer
4N-9170 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
4185888 Oshkosh Defense Llc (USA)
2000401 General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp (USA)
23KP323 Oshkosh Defense Llc (USA)
Related Parts
2530-00-222-8872INTERCHANGEABLE
RUBBER,TRACK REPAIR
11669042-5
1650-00-787-1219INTERCHANGEABLE
COVER,VALVE FLAPPER
200040-1
5365-01-060-7604INTERCHANGEABLE
RETAINER RING,THRUS
20004-01

Frequently Asked Questions

What is NSN 5325-01-514-5408?

NSN 5325-01-514-5408 is a Fastener,positive Lock, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-514-5408?

NSN 5325-01-514-5408 has 4 cross-referenced part numbers: 4N-9170 (Caterpillar Inc Div Caterpillar Defense), 4185888 (Oshkosh Defense Llc), 2000401 (General Dynamics Land Systems - Force Protection Inc. Dba Gdls Div Gdls-Fp), 23KP323 (Oshkosh Defense Llc).

What NSN replaces 5325-01-514-5408?

There are 3 known substitutes for 5325-01-514-5408: 2530-00-222-8872, 1650-00-787-1219, 5365-01-060-7604. Verify interchangeability with system specifications before substitution.

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