PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25528Insulator,spacer

Csts, Inc Dba Computer Sys Techl Support · NSN 5970-01-421-4000 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-01-421-4000 — this item is cataloged by the U.S. Government under National Stock Number 5970-01-421-4000. Primary manufacturer part number: 25528.
Features
  • Insulator,spacer — FSC 5970
  • 3 verified cross-references
  • Primary manufacturer: Csts, Inc Dba Computer Sys Techl Support
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulator,spacer, cataloged under National Stock Number 5970-01-421-4000, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Csts, Inc Dba Computer Sys Techl Support. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5970-01-421-4000
Primary Part Number25528
Item NameInsulator,spacer
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerCsts, Inc Dba Computer Sys Techl Support
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4210-00-035-9489 INTERCHANGEABLE
Tube Assembly,gas,rubber Sleeved
4310-01-037-791110394 INTERCHANGEABLE
Ring,piston
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4720-01-130-54682017981-6-6-6-63.50-000 INTERCHANGEABLE
Hose Assembly,nonmetallic
Parker-Hannifin Corporation Dba Pneutronics Div Hose Products Division
5325-01-366-7016 INTERCHANGEABLE
Ring,retaining
5998-01-538-1172 INTERCHANGEABLE
Electronic Components Assembly
Cross-Reference Index
Part NumberManufacturer
25528 Csts, Inc Dba Computer Sys Techl Support (USA)
3174AS7291 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
950-10014H Bicc-Vero Electronics Inc (USA)
Related Parts
4210-00-035-9489INTERCHANGEABLE
TUBE ASSEMBLY,GAS,RUBBER SLEEVED
4310-01-037-7911INTERCHANGEABLE
RING,PISTON
10394
4720-01-130-5468INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
2017981-6-6-6-63.50-000
5325-01-366-7016INTERCHANGEABLE
RING,RETAINING
5998-01-538-1172INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY

Frequently Asked Questions

What is NSN 5970-01-421-4000?

NSN 5970-01-421-4000 is a Insulator,spacer, manufactured by Csts, Inc Dba Computer Sys Techl Support, classified under FSC 5970 (No Item Name Available). Status: active.

What are the part numbers for NSN 5970-01-421-4000?

NSN 5970-01-421-4000 has 3 cross-referenced part numbers: 25528 (Csts, Inc Dba Computer Sys Techl Support), 3174AS7291 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 950-10014H (Bicc-Vero Electronics Inc).

What NSN replaces 5970-01-421-4000?

There are 5 known substitutes for 5970-01-421-4000: 4210-00-035-9489, 4310-01-037-7911, 4720-01-130-5468 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25528?

Key specifications for 25528: Overall Length: 429.66 MILLIMETERS NOMINAL MM; Overall Width: 8.3 MILLIMETERS NOMINAL MM. 2 total characteristics are documented in the Federal Logistics Information System.

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