NSN 8475-01-128-9715 · NIIN 011289715 · Part number 954AS300-1
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 8475-01-128-9715 — this item is cataloged by the U.S. Government under National Stock Number 8475-01-128-9715. Manufacturer of record part number: 954AS300-1.
Also searched as8475-01-128-9715 ·
8475011289715 ·
NIIN 011289715 ·
01-128-9715 ·
FSC 8475 Specialized Flight Clothing and Accessories · CAGE 30003 · 954AS300-1 · MIL-H-85047 · PRK-37/P
General Characteristics Item Description: MEDIUM SIZE
1 manufacturer part number on file
Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
NSN: 8475-01-128-9715
NIIN: 011289715
FSC: 8475 — Specialized Flight Clothing and Accessories
FSG: 84 — Clothing, Individual Equipment, and Insignia
Primary part number: 954AS300-1
Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description
The Shell Assembly,helmet, cataloged under National Stock Number 8475-01-128-9715, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
8475-01-128-9715
Primary Part Number
954AS300-1
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
General Characteristics Item Description
MEDIUM SIZE
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
8475-01-137-1032954AS300-2POSSIBLE MATCH
SHELL ASSEMBLY,HELMET
Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
8475-01-203-4915954AS400-15POSSIBLE MATCH
VISOR,FLYER'S HELMET
Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
8475-01-204-5061954AS400-16POSSIBLE MATCH
VISOR,FLYER'S HELMET
Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
8475-01-250-2699954AS300-21POSSIBLE MATCH
SHELL ASSEMBLY,HELMET
Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
8475-01-253-7226954AS300-22POSSIBLE MATCH
SHELL ASSEMBLY,HELMET
Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Reference documents
Reference
Meaning
MIL-H-85047
4/1Identification reference
U.S. Government activity
PRK-37/P
4/1Identification reference
U.S. Government activity
Related Parts
8475-01-137-1032POSSIBLE MATCH
SHELL ASSEMBLY,HELMET
954AS300-2
8475-01-203-4915POSSIBLE MATCH
VISOR,FLYER'S HELMET
954AS400-15
8475-01-204-5061POSSIBLE MATCH
VISOR,FLYER'S HELMET
954AS400-16
8475-01-250-2699POSSIBLE MATCH
SHELL ASSEMBLY,HELMET
954AS300-21
8475-01-253-7226POSSIBLE MATCH
SHELL ASSEMBLY,HELMET
954AS300-22
Frequently Asked Questions
What is NSN 8475-01-128-9715?
NSN 8475-01-128-9715 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 8475-01-128-9715?
NSN 8475-01-128-9715 has 1 manufacturer part number on file: 954AS300-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What NSN replaces 8475-01-128-9715?
5 possible matches (shared part number, not a government interchangeability claim): 8475-01-137-1032, 8475-01-203-4915, 8475-01-204-5061. Verify interchangeability with system specifications before substitution.
What are the specifications of 954AS300-1?
Key specifications for 954AS300-1: General Characteristics Item Description: MEDIUM SIZE; End Item Identification: HELMET,ANTI-G. 1 specification is documented in the U.S. Government catalog.
Is NSN 8475-01-128-9715 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 8475-01-128-9715?
NSN 8475-01-128-9715 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.