PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2532-1Reference Standard,physical Prop

Earle Environmental Corp · NSN 6635-01-604-1855 · FSC 6635 · No Item Name Available
Verified by PartsTable
NSN 6635-01-604-1855 — this item is cataloged by the U.S. Government under National Stock Number 6635-01-604-1855. Primary manufacturer part number: 2532-1.
Features
  • Reference Standard,physical Prop — FSC 6635
  • 2 verified cross-references
  • Primary manufacturer: Earle Environmental Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reference Standard,physical Prop, cataloged under National Stock Number 6635-01-604-1855, is classified within Federal Supply Class 6635 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Earle Environmental Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6635-01-604-1855
Primary Part Number2532-1
Item NameReference Standard,physical Prop
FSC / FSG6635 / 66 — No Item Name Available
ManufacturerEarle Environmental Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
1650-00-166-574425321 INTERCHANGEABLE
Retainer,drive Shaf
Arvinmeritor Inc
5120-00-288-875425321 INTERCHANGEABLE
Handle,shovel
Wta Tool Llc
5845-00-338-863925321 INTERCHANGEABLE
Pen Subassy
Raytheon Company Dba Raytheon
5975-00-471-337225321 INTERCHANGEABLE
Cable Nipple,electrical
Champion Aerospace Llc
5950-00-648-19980153-03042 INTERCHANGEABLE
Reactor
Entron Industries Limited Partnership Dba Entron Industries Property Div
5330-00-809-1052BA3026-2 INTERCHANGEABLE
Seal,nonmetallic Strip
Parker Hannifin Corporation Div Cylinder Division
5935-01-030-5093 INTERCHANGEABLE
Connector,receptacle,electrical
5360-01-112-398125321 INTERCHANGEABLE
Spring,helical,compression
Circor Aerospace, Inc. Dba Circor Aerospace Inc
6515-01-600-293981-3405 INTERCHANGEABLE
Handle,screwdriver,bone Screw
Codman & Shurtleff Inc
Cross-Reference Index
Part NumberManufacturer
2532-1 PRIMARY Earle Environmental Corp (USA)
3673310M01087-1 Northrop Grumman Systems Corporation (USA)
Related Parts
1650-00-166-5744INTERCHANGEABLE
RETAINER,DRIVE SHAF
25321
5120-00-288-8754INTERCHANGEABLE
HANDLE,SHOVEL
25321
5845-00-338-8639INTERCHANGEABLE
PEN SUBASSY
25321
5975-00-471-3372INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
25321
5950-00-648-1998INTERCHANGEABLE
REACTOR
0153-03042
5330-00-809-1052INTERCHANGEABLE
SEAL,NONMETALLIC STRIP
BA3026-2
5935-01-030-5093INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5360-01-112-3981INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
25321
6515-01-600-2939INTERCHANGEABLE
HANDLE,SCREWDRIVER,BONE SCREW
81-3405

Frequently Asked Questions

What is NSN 6635-01-604-1855?

NSN 6635-01-604-1855 is a Reference Standard,physical Prop, manufactured by Earle Environmental Corp, classified under FSC 6635 (No Item Name Available). Status: active.

What are the part numbers for NSN 6635-01-604-1855?

NSN 6635-01-604-1855 has 2 cross-referenced part numbers: 2532-1 (Earle Environmental Corp), 3673310M01087-1 (Northrop Grumman Systems Corporation).

What NSN replaces 6635-01-604-1855?

There are 9 known substitutes for 6635-01-604-1855: 1650-00-166-5744, 5120-00-288-8754, 5845-00-338-8639 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2532-1?

Key specifications for 2532-1: End Item Identification: RQ-4A A; Part Name Assigned by Controlling Agency: REFERENCE STANDARD. 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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