PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A4531MAdapter,compressed Gas Cylinder

Fluid Power, Inc. · NSN 1660-00-719-9372 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-719-9372 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-719-9372. Primary manufacturer part number: A4531M.
Features
  • Adapter,compressed Gas Cylinder — FSC 1660
  • Second End Reduced Passage Inside Diameter: 0.374 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
  • Wrenching Facility Shape: HEXAGONAL
  • Second End Thread Size: 0.500-20
  • Gas for Which Designed: OXYGEN
  • Second End Thread Series/type Designator: UNIFIED NATIONAL JOINT FINE (UNJF)
  • Second End Style Designator: INVERTED FLARE
  • Specification/standard Data: 96906-MS22032 GOVERNMENT STANDARD
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter,compressed Gas Cylinder, cataloged under National Stock Number 1660-00-719-9372, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Fluid Power, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1660-00-719-9372
Primary Part NumberA4531M
Item NameAdapter,compressed Gas Cylinder
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerFluid Power, Inc.
StatusACTIVE
Second End Reduced Passage Inside Diameter0.374 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Wrenching Facility ShapeHEXAGONAL
Second End Thread Size0.500-20
Gas for Which DesignedOXYGEN
Second End Thread Series/type DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Second End Style DesignatorINVERTED FLARE
Specification/standard Data96906-MS22032 GOVERNMENT STANDARD
Second End Connection TypeTHREADED INTERNAL GAS CYLINDER
Second End Thread DirectionRIGHT-HAND
Union EndINCLUDED
Wrenching FacilityINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6240-00-019-31864531 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5950-00-254-6945A114527 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon Co
3010-00-294-4678533PC4 INTERCHANGEABLE
Disk,clutch,nonvehicular
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
9540-00-596-3047 INTERCHANGEABLE
Channel,structural
5940-00-713-8496509B30-6REVE INTERCHANGEABLE
Terminal,stud
Cardwell Condenser Corp Lapointe-Admiral Div
5306-00-811-8923 INTERCHANGEABLE
Bolt,eye
3120-00-828-68521894635 INTERCHANGEABLE
Bushing,sleeve
Borgwarner Pds (anderson), L.l.c.
5950-00-943-798110653548 INTERCHANGEABLE
Reactor
Us Army Aviation and Missile Command
5330-01-078-4999453-1 INTERCHANGEABLE
Gasket
Eaton Aerospace Llc Sterer Engineering Morgan Actuators
4820-01-137-5066 INTERCHANGEABLE
Valve,check
Cross-Reference Index
Part NumberManufacturer
A4531M Fluid Power, Inc. (USA)
AN6041-1 Aeronautical Standards Group Dept of Navy and Air Force (USA)
1660PL0713525 Jednolity Indeks Materialowy - Uniform Material Index (POL)
4531M Fluid Power, Inc. (USA)
MS22032-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
MS22032-1 Fluid Power, Inc. (USA)
4531 Fluid Power, Inc. (USA)
MS22031-1 Conax Florida Corporation (USA)
Related Parts
6240-00-019-3186INTERCHANGEABLE
LAMP,INCANDESCENT
4531
5950-00-254-6945INTERCHANGEABLE
COIL,RADIO FREQUENCY
A114527
3010-00-294-4678INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
533PC4
9540-00-596-3047INTERCHANGEABLE
CHANNEL,STRUCTURAL
5940-00-713-8496INTERCHANGEABLE
TERMINAL,STUD
509B30-6REVE
5306-00-811-8923INTERCHANGEABLE
BOLT,EYE
3120-00-828-6852INTERCHANGEABLE
BUSHING,SLEEVE
1894635
5950-00-943-7981INTERCHANGEABLE
REACTOR
10653548
5330-01-078-4999INTERCHANGEABLE
GASKET
453-1
4820-01-137-5066INTERCHANGEABLE
VALVE,CHECK
9540-01-199-4601INTERCHANGEABLE
CHANNEL,STRUCTURAL
4940-01-477-9913INTERCHANGEABLE
PIPE,STRIGHT,AIRCRA
4531

Frequently Asked Questions

What is NSN 1660-00-719-9372?

NSN 1660-00-719-9372 is a Adapter,compressed Gas Cylinder, manufactured by Fluid Power, Inc., classified under FSC 1660 (No Item Name Available). Status: active.

What are the part numbers for NSN 1660-00-719-9372?

NSN 1660-00-719-9372 has 9 cross-referenced part numbers: A4531M (Fluid Power, Inc.), AN6041-1 (Aeronautical Standards Group Dept of Navy and Air Force), 1660PL0713525 (Jednolity Indeks Materialowy - Uniform Material Index), 4531M (Fluid Power, Inc.), MS22032-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 1660-00-719-9372?

There are 12 known substitutes for 1660-00-719-9372: 6240-00-019-3186, 5950-00-254-6945, 3010-00-294-4678 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A4531M?

Key specifications for A4531M: Special Features: ASSY CONSIST OF HOSE (P/N MS24548-5-24), ORIFICE ADAPTER (P/N AN6044-1), AND OXYGEN FILLER VALVE (P/N AN6024-5). FIRST END CONNECTOR IS QUICK DISCONNECT TYPE FOR USE WITH AN6027 ADAPTER; Second End Reduced Passage Inside Diameter: 0.374 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Wrenching Facility Shape: HEXAGONAL; Overall Length: 27.625 INCHES NOMINAL IN. 14 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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