PartsTable TECHNICAL DATA SHEET
NSN 8475-01-665-4057Government record, cited

Modification Kit, Flyer's Helmet8475-01-665-4057

NSN 8475-01-665-4057 · NIIN 016654057 · Part number HGUP-1297
Flight Helmet, Llc · FSC 8475 — Specialized Flight Clothing and Accessories · FSG 84 — Clothing, Individual Equipment, and Insignia · CAGE 530Z1
Government record, cited
NSN 8475-01-665-4057 — this item is cataloged by the U.S. Government under National Stock Number 8475-01-665-4057. Manufacturer of record part number: HGUP-1297.
Also searched as  8475-01-665-4057 · 8475016654057 · NIIN 016654057 · 01-665-4057 · FSC 8475 Specialized Flight Clothing and Accessories · CAGE 530Z1 · HGUP-1297
Nearby stock numbers  ·
Features
  • Modification Kit,flyer's Helmet — FSC 8475
  • 1 manufacturer part number on file
  • Manufacturer of record: Flight Helmet, Llc
Identification
  • NSN: 8475-01-665-4057
  • NIIN: 016654057
  • FSC: 8475 — Specialized Flight Clothing and Accessories
  • FSG: 84 — Clothing, Individual Equipment, and Insignia
  • Primary part number: HGUP-1297
  • Manufacturer: Flight Helmet, Llc
General Description

The Modification Kit,flyer's Helmet, cataloged under National Stock Number 8475-01-665-4057, 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 Flight Helmet, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN8475-01-665-4057
Primary Part NumberHGUP-1297
Item NameModification Kit,flyer's Helmet
FSC / FSG8475 / 84 — Specialized Flight Clothing and Accessories
ManufacturerFlight Helmet, Llc
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
HGUP-1297 PRIMARY Flight Helmet, Llc (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 8475-01-665-4057?

NSN 8475-01-665-4057 is a Modification Kit,flyer's Helmet, manufactured by Flight Helmet, Llc, classified under FSC 8475, Specialized Flight Clothing and Accessories. Status: active.

What part numbers are listed for NSN 8475-01-665-4057?

NSN 8475-01-665-4057 has 1 manufacturer part number on file: HGUP-1297 (Flight Helmet, Llc).

What are the specifications of HGUP-1297?

Key specifications for HGUP-1297: Part Name Assigned by Controlling Agency: QUICK RELEASE PLATE FOR NVG MOUNT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 8475-01-665-4057 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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