NSN 6665-00-256-7939 · NIIN 002567939 · Part number 52-131
Oklahoma City Air Logistics Center Aircraft Co · FSC 6665 — Hazard-detecting Instruments and Apparatus · FSG 66 — Instruments and Laboratory Equipment · CAGE 0V429
Government record, cited
NSN 6665-00-256-7939 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-256-7939. Manufacturer of record part number: 52-131.
Also searched as6665-00-256-7939 ·
6665002567939 ·
NIIN 002567939 ·
00-256-7939 ·
FSC 6665 Hazard-detecting Instruments and Apparatus · CAGE 0V429 · 52-131
Manufacturer of record: Oklahoma City Air Logistics Center Aircraft Co
Identification
NSN: 6665-00-256-7939
NIIN: 002567939
FSC: 6665 — Hazard-detecting Instruments and Apparatus
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 52-131
Manufacturer: Oklahoma City Air Logistics Center Aircraft Co
General Description
The Cover,radiac Probe, cataloged under National Stock Number 6665-00-256-7939, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Oklahoma City Air Logistics Center Aircraft Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Cover,radiac Probe
FSC / FSG
6665 — Hazard-detecting Instruments and Apparatus (FSG 66)
Manufacturers
Oklahoma City Air Logistics Center Aircraft Co (CAGE 0V429)
Technical Specifications
Parameter
Value
NSN
6665-00-256-7939
Primary Part Number
52-131
Item Name
Cover,radiac Probe
FSC / FSG
6665 / 66 — Hazard-detecting Instruments and Apparatus
Manufacturer
Oklahoma City Air Logistics Center Aircraft Co
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5815-00-710-1335SM-B-157028POSSIBLE MATCH
PLATE,TELETYPEWRITER RETRACTOR
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-01-515-139052131-001POSSIBLE MATCH
SERVOVALVE,HYDRAULIC
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
6695-01-516-000709-52131-01-2POSSIBLE MATCH
TRANSDUCER,PRESSURE,FLUID-HYDRAU
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4820-01-516-385752131-1004-1POSSIBLE MATCH
RETAINER,SEAT,VALVE
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4730-01-516-554652131-808-1POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4730-01-516-5547JEDA1875220DPOSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Lee Co Dba the Lee Co
5365-01-516-9674J24714-128P-APOSSIBLE MATCH
PLUG,MACHINE THREAD
Possible match (shared part number)Sae International Dba Sae International
Oklahoma City Air Logistics Center Aircraft Co (USA)
Related Parts
5815-00-710-1335POSSIBLE MATCH
PLATE,TELETYPEWRITER RETRACTOR
SM-B-157028
4820-01-515-1390POSSIBLE MATCH
SERVOVALVE,HYDRAULIC
52131-001
6695-01-516-0007POSSIBLE MATCH
TRANSDUCER,PRESSURE,FLUID-HYDRAU
09-52131-01-2
4820-01-516-3857POSSIBLE MATCH
RETAINER,SEAT,VALVE
52131-1004-1
4730-01-516-5546POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
52131-808-1
4730-01-516-5547POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
JEDA1875220D
5365-01-516-9674POSSIBLE MATCH
PLUG,MACHINE THREAD
J24714-128P-A
Frequently Asked Questions
What is NSN 6665-00-256-7939?
NSN 6665-00-256-7939 is a Cover,radiac Probe, manufactured by Oklahoma City Air Logistics Center Aircraft Co, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
What part numbers are listed for NSN 6665-00-256-7939?
NSN 6665-00-256-7939 has 1 manufacturer part number on file: 52-131 (Oklahoma City Air Logistics Center Aircraft Co).
What NSN replaces 6665-00-256-7939?
7 possible matches (shared part number, not a government interchangeability claim): 5815-00-710-1335, 4820-01-515-1390, 6695-01-516-0007. Verify interchangeability with system specifications before substitution.
Is NSN 6665-00-256-7939 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.