NSN 4240-01-688-4513 · NIIN 016884513 · Part number A77-221
Rix Industries · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 28953
Government record, cited
NSN 4240-01-688-4513 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-688-4513. Manufacturer of record part number: A77-221.
Also searched as4240-01-688-4513 ·
4240016884513 ·
NIIN 016884513 ·
01-688-4513 ·
FSC 4240 Safety and Rescue Equipment · CAGE 28953 · A77-221 · HN2L-4CW
Nearby stock numbers← 4240-01-688-4390 Energy
·
4240-01-688-7493 Protector, Hearing →
Features
Filter Assembly,gas — FSC 4240
1 manufacturer part number on file
Manufacturer of record: Rix Industries
Identification
NSN: 4240-01-688-4513
NIIN: 016884513
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: A77-221
Manufacturer: Rix Industries
General Description
The Filter Assembly,gas, cataloged under National Stock Number 4240-01-688-4513, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Rix Industries. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4240-01-688-4513
Primary Part Number
A77-221
Item Name
Filter Assembly,gas
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Rix Industries
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Parker-Hannifin Corporation Dba Finite Airtek Filtration Div Gas Separation & Filtration
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 4240-01-688-4513?
NSN 4240-01-688-4513 is a Filter Assembly,gas, manufactured by Rix Industries, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-688-4513?
NSN 4240-01-688-4513 has 1 manufacturer part number on file: A77-221 (Rix Industries).
What are the specifications of A77-221?
Key specifications for A77-221: Part Name Assigned by Controlling Agency: NATURAL GAS FLILRATION,H SERIES; End Item Identification: FILTER ASSEMBLY. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-688-4513 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.