PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15951-1Valve,oxygen

Mission Systems Orchard Park Inc · NSN 1660-00-774-1337 · FSC 1660 · No Item Name Available
Verified by PartsTable
NSN 1660-00-774-1337 — this item is cataloged by the U.S. Government under National Stock Number 1660-00-774-1337. Primary manufacturer part number: 15951-1.
Features
  • Valve,oxygen — FSC 1660
  • 15 verified cross-references
  • Primary manufacturer: Mission Systems Orchard Park Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,oxygen, cataloged under National Stock Number 1660-00-774-1337, is classified within Federal Supply Class 1660 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Mission Systems Orchard Park Inc. This item has 15 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1660-00-774-1337
Primary Part Number15951-1
Item NameValve,oxygen
FSC / FSG1660 / 16 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5306-00-106-8362 INTERCHANGEABLE
Bolt,machine
7510-00-159-5026 INTERCHANGEABLE
Ink,duplicating,lithographic Pro
5935-00-222-0815 INTERCHANGEABLE
Connector,plug,electrical
3040-00-356-3355SC-B-69625 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5962-00-791-3824 INTERCHANGEABLE
Integrated Circuit
4730-00-862-5695438950 INTERCHANGEABLE
Elbow,tube,inlet
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5915-00-905-890708-00335-004 INTERCHANGEABLE
Filter,band Pass
Raytheon Company
6515-01-035-85627224 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
6515-01-095-20507224 INTERCHANGEABLE
Needle,hypodermic
Becton, Dickinson and Co Dba Becton Dickinson & Co
3120-01-103-96667224 INTERCHANGEABLE
Bearing,washer,thrust
Crown Coachworks Inc Div Crown Coachworks Auto Body & Paint
Cross-Reference Index
Part NumberManufacturer
15951-1 Mission Systems Orchard Park Inc (USA)
546-01 Avox Systems Inc Dba Avox Systems Inc (USA)
15951-1 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
2440A Fluid Power, Inc. (USA)
15951-1A Mission Systems Orchard Park Inc (USA)
15951-1A Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
2X102 Allen Aircraft Products Inc (USA)
7224 Essex Industries, Inc. Dba Essex Industries (USA)
CRU18A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
58C3556 Department of the Air Force (USA)
438950 Raytheon Technical Services Company (USA)
8148650 Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA)
MIL-V-38224 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2611-20001 Robertshaw Controls Co Executive Office (USA)
438950 Cae Usa Inc. (USA)
Related Parts
5306-00-106-8362INTERCHANGEABLE
BOLT,MACHINE
7510-00-159-5026INTERCHANGEABLE
INK,DUPLICATING,LITHOGRAPHIC PRO
5935-00-222-0815INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3040-00-356-3355INTERCHANGEABLE
LEVER,MANUAL CONTROL
SC-B-69625
5962-00-791-3824INTERCHANGEABLE
INTEGRATED CIRCUIT
4730-00-862-5695INTERCHANGEABLE
ELBOW,TUBE,INLET
438950
5915-00-905-8907INTERCHANGEABLE
FILTER,BAND PASS
08-00335-004
6515-01-035-8562INTERCHANGEABLE
BAG,OSTOMY
7224
6515-01-095-2050INTERCHANGEABLE
NEEDLE,HYPODERMIC
7224
3120-01-103-9666INTERCHANGEABLE
BEARING,WASHER,THRUST
7224
5325-01-137-8830INTERCHANGEABLE
RING,RETAINING
54601
4730-01-484-8267INTERCHANGEABLE
CLAMP,HOSE
300 20

Frequently Asked Questions

What is NSN 1660-00-774-1337?

NSN 1660-00-774-1337 is a Valve,oxygen, manufactured by Mission Systems Orchard Park Inc, classified under FSC 1660 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1660-00-774-1337?

NSN 1660-00-774-1337 has 15 cross-referenced part numbers: 15951-1 (Mission Systems Orchard Park Inc), 546-01 (Avox Systems Inc Dba Avox Systems Inc), 15951-1 (Ingersoll-Rand Company Dba Ingersoll-Rand), 2440A (Fluid Power, Inc.), 15951-1A (Mission Systems Orchard Park Inc) and 10 more.

What NSN replaces 1660-00-774-1337?

There are 12 known substitutes for 1660-00-774-1337: 5306-00-106-8362, 7510-00-159-5026, 5935-00-222-0815 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15951-1?

Key specifications for 15951-1: Special Features: FORMER NAME: VALVE,OXYGEN,ON&OFF. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1660-00-774-1337 still in active supply?

NSN 1660-00-774-1337 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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