Valve Seat Housing Assembly4240-00-177-0244

NSN 4240-00-177-0244 · NIIN 001770244

FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment

Government record, cited

Also searched as 4240-00-177-0244 · 4240001770244 · NIIN 001770244 · 00-177-0244 · FSC 4240 Safety and Rescue Equipment

Nearby stock numbers ← 4240-00-176-9992 Filter, Gas · 4240-00-177-0564 →

Features

Valve Seat Housing Assembly — FSC 4240
General Characteristics Item Description: CONSISTS OF:VALVE SEAT HOUSING,PLASTIC;SUPPORT,CRES,QQ-W-423;MOUTHPIECE,PLASTIC;TUBE,RUBBER,MIL-R-51283;SPRING,CRES,QQ-W-423;DISK,VALVE,NONMETALLIC,RESUSITATOR,MIL-D-0010132

Identification

NSN: 4240-00-177-0244
NIIN: 001770244
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment

General Description

The Valve Seat Housing Assembly, cataloged under National Stock Number 4240-00-177-0244, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4240-00-177-0244
Item Name	Valve Seat Housing Assembly
FSC / FSG	4240 / 42 — Safety and Rescue Equipment
Status	ACTIVE
General Characteristics Item Description	CONSISTS OF:VALVE SEAT HOUSING,PLASTIC;SUPPORT,CRES,QQ-W-423;MOUTHPIECE,PLASTIC;TUBE,RUBBER,MIL-R-51283;SPRING,CRES,QQ-W-423;DISK,VALVE,NONMETALLIC,RESUSITATOR,MIL-D-0010132

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
D5-81-134	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 4240 — Safety and Rescue Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4240-00-001-1515

4240-00-001-1515 · Item name not on file

4240-00-001-2684

4240-00-001-2684 · Item name not on file

4240-00-006-0022

HOSE,EVACUATION

4240-00-007-4576

4240-00-007-4576 · Item name not on file

4240-00-007-8182

4240-00-007-8182 · Item name not on file

4240-00-007-8183

4240-00-007-8183 · Item name not on file

4240-00-007-8184

4240-00-007-8184 · Item name not on file

4240-00-007-8185

4240-00-007-8185 · Item name not on file

Frequently Asked Questions

What is NSN 4240-00-177-0244?

NSN 4240-00-177-0244 is a Valve Seat Housing Assembly, classified under FSC 4240, Safety and Rescue Equipment. Status: active.

What are the specifications of 4240-00-177-0244?

Key specifications for 4240-00-177-0244: General Characteristics Item Description: CONSISTS OF:VALVE SEAT HOUSING,PLASTIC;SUPPORT,CRES,QQ-W-423;MOUTHPIECE,PLASTIC;TUBE,RUBBER,MIL-R-51283;SPRING,CRES,QQ-W-423;DISK,VALVE,NONMETALLIC,RESUSITATOR,MIL-D-0010132; End Item Identification: 4240-00-926-4199 SM,4240-00-926-4200 LG,4240-00-926-4201 MED. 1 specification is documented in the U.S. Government catalog.

Is NSN 4240-00-177-0244 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.

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