NSN 3655-01-031-8622 · NIIN 010318622 · Part number 21-19677MKACP
Naval Inventory Control Point Mechanicsburg · FSC 3655 — Gas Generating and Dispensing Systems, Fixed or Mobile · FSG 36 — Special Industry Machinery · CAGE 03950
Government record, cited
NSN 3655-01-031-8622 — this item is cataloged by the U.S. Government under National Stock Number 3655-01-031-8622. Manufacturer of record part number: 21-19677MKACP.
Also searched as3655-01-031-8622 ·
3655010318622 ·
NIIN 010318622 ·
01-031-8622 ·
FSC 3655 Gas Generating and Dispensing Systems, Fixed or Mobile · CAGE 03950 · 21-19677MKACP · 21-19677MKA
Nearby stock numbers← 3655-01-031-8621 Header Assembly, Hyd
·
3655-01-031-8715 →
Features
Header Assembly,oxy — FSC 3655
Criticality Code Justification: ZZZY
Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
1 manufacturer part number on file
Manufacturer of record: Naval Inventory Control Point Mechanicsburg
Identification
NSN: 3655-01-031-8622
NIIN: 010318622
FSC: 3655 — Gas Generating and Dispensing Systems, Fixed or Mobile
FSG: 36 — Special Industry Machinery
Primary part number: 21-19677MKACP
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Header Assembly,oxy, cataloged under National Stock Number 3655-01-031-8622, is classified within Federal Supply Class 3655 (Gas Generating and Dispensing Systems, Fixed or Mobile) of the Special Industry Machinery group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3655-01-031-8622
Primary Part Number
21-19677MKACP
Item Name
Header Assembly,oxy
FSC / FSG
3655 / 36 — Gas Generating and Dispensing Systems, Fixed or Mobile
Manufacturer
Naval Inventory Control Point Mechanicsburg
Status
ACTIVE
Criticality Code Justification
ZZZY
Reference Number Differentiating Characteristics
CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 3655 — Gas Generating and Dispensing Systems, Fixed or Mobile
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3655-00-000-0142
3655-00-000-0142 · Item name not on file
3655-00-001-5361
STORAGE UNIT,LIQUID NITROGEN
3655-00-001-8393
3655-00-001-8393 · Item name not on file
3655-00-003-7256
3655-00-003-7256 · Item name not on file
3655-00-011-9455
3655-00-011-9455 · Item name not on file
3655-00-012-6888
3655-00-012-6888 · Item name not on file
3655-00-013-8994
TANK,STORAGE,LIQUID ARGON-NITROG
3655-00-013-8995
TANK,STORAGE,LIQUID ARGON-NITROG
Frequently Asked Questions
What is NSN 3655-01-031-8622?
NSN 3655-01-031-8622 is a Header Assembly,oxy, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3655, Gas Generating and Dispensing Systems, Fixed or Mobile. Status: active.
What part numbers are listed for NSN 3655-01-031-8622?
NSN 3655-01-031-8622 has 1 manufacturer part number on file: 21-19677MKACP (Naval Inventory Control Point Mechanicsburg).
What are the specifications of 21-19677MKACP?
Key specifications for 21-19677MKACP: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 2 specifications are documented in the U.S. Government catalog.
Is NSN 3655-01-031-8622 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.