PartsTable TECHNICAL DATA SHEET
NSN 8475-01-099-8634Government record, cited

Swivel Assembly, Helmet8475-01-099-8634

NSN 8475-01-099-8634 · NIIN 010998634 · Part number 765AS300-1
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 8475-01-099-8634 — this item is cataloged by the U.S. Government under National Stock Number 8475-01-099-8634. Manufacturer of record part number: 765AS300-1.
Also searched as  8475-01-099-8634 · 8475010998634 · NIIN 010998634 · 01-099-8634 · FSC 8475 Specialized Flight Clothing and Accessories · CAGE 30003 · 765AS300-1 · 10388B
Nearby stock numbers  ·
Features
  • Swivel Assembly,helmet — FSC 8475
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
  • NSN: 8475-01-099-8634
  • NIIN: 010998634
  • FSC: 8475 — Specialized Flight Clothing and Accessories
  • FSG: 84 — Clothing, Individual Equipment, and Insignia
  • Primary part number: 765AS300-1
  • Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description

The Swivel Assembly,helmet, cataloged under National Stock Number 8475-01-099-8634, 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. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8475-01-099-8634
Primary Part Number765AS300-1
Item NameSwivel Assembly,helmet
FSC / FSG8475 / 84 — Specialized Flight Clothing and Accessories
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
765AS300-1 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
10388B Astrocom Electronics Inc (USA)
No interchangeability data on file.
Other items in FSC 8475 — Specialized Flight Clothing and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
8475-00-001-1758
8475-00-001-1758 · Item name not on file
8475-00-001-1759
8475-00-001-1759 · Item name not on file
8475-00-001-6579
COVERALLS,FLYERS' ANTIEXPOSURE
8475-00-004-3666
8475-00-004-3666 · Item name not on file
8475-00-005-1605
8475-00-005-1605 · Item name not on file
8475-00-008-3945
HELMET,FLYER'S
8475-00-008-3946
HELMET,FLYER'S
8475-00-008-3947
HELMET,FLYER'S

Frequently Asked Questions

What is NSN 8475-01-099-8634?

NSN 8475-01-099-8634 is a Swivel 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 8475-01-099-8634?

NSN 8475-01-099-8634 has 2 manufacturer part numbers on file: 765AS300-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 10388B (Astrocom Electronics Inc).

What are the specifications of 765AS300-1?

Key specifications for 765AS300-1: End Item Identification: HGU-47/P HELMET. 0 specifications are documented in the U.S. Government catalog.

Is NSN 8475-01-099-8634 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.

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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