NSN 8475-01-077-8902 · NIIN 010778902 · Part number 954AS300-4
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 8475 — Specialized Flight Clothing and Accessories · FSG 84 — Clothing, Individual Equipment, and Insignia · CAGE 30003
Government record, cited
NSN 8475-01-077-8902 — this item is cataloged by the U.S. Government under National Stock Number 8475-01-077-8902. Manufacturer of record part number: 954AS300-4.
Also searched as8475-01-077-8902 ·
8475010778902 ·
NIIN 010778902 ·
01-077-8902 ·
FSC 8475 Specialized Flight Clothing and Accessories · CAGE 30003 · 954AS300-4 · PRK-37/P · MIL-H-85047
General Characteristics Item Description: LARGE SIZE WITH COMMUNICATION FACILITY
1 manufacturer part number on file
Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
NSN: 8475-01-077-8902
NIIN: 010778902
FSC: 8475 — Specialized Flight Clothing and Accessories
FSG: 84 — Clothing, Individual Equipment, and Insignia
Primary part number: 954AS300-4
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Shell Assembly,helmet, cataloged under National Stock Number 8475-01-077-8902, is classified within Federal Supply Class 8475 (Specialized Flight Clothing and Accessories) of the Clothing, Individual Equipment, and Insignia group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
8475-01-077-8902
Primary Part Number
954AS300-4
Item Name
Shell Assembly,helmet
FSC / FSG
8475 / 84 — Specialized Flight Clothing and Accessories
Manufacturer
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Status
ACTIVE
FSC Application Data
HELMET,ANTI-G
General Characteristics Item Description
LARGE SIZE WITH COMMUNICATION FACILITY
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
N
⇄Related Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
NSN 8475-01-077-8902 is a Shell Assembly,helmet, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.
What part numbers are listed for NSN 8475-01-077-8902?
NSN 8475-01-077-8902 has 1 manufacturer part number on file: 954AS300-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What NSN replaces 8475-01-077-8902?
10 possible matches (shared part number, not a government interchangeability claim): 8475-01-077-8903, 8475-01-077-8904, 8475-01-078-0272. Verify interchangeability with system specifications before substitution.
What are the specifications of 954AS300-4?
Key specifications for 954AS300-4: FSC Application Data: HELMET,ANTI-G; General Characteristics Item Description: LARGE SIZE WITH COMMUNICATION FACILITY. 2 specifications are documented in the U.S. Government catalog.
Is NSN 8475-01-077-8902 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 8475-01-077-8902?
NSN 8475-01-077-8902 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.