NSN 9330-01-375-8074 — this item is cataloged by the U.S. Government under National Stock Number 9330-01-375-8074. Manufacturer of record part number: U542321.
Manufacturer of record: Triumph Thermal Systems, Llc
Identification
NSN: 9330-01-375-8074
NIIN: 013758074
FSC: 9330 — Plastics Fabricated Materials
FSG: 93 — Nonmetallic Fabricated Materials
Primary part number: U542321
Manufacturer: Triumph Thermal Systems, Llc
General Description
The Window,observation, cataloged under National Stock Number 9330-01-375-8074, is classified within Federal Supply Class 9330 (Plastics Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Triumph Thermal Systems, Llc. Government technical data includes 4 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
9330-01-375-8074
Primary Part Number
U542321
Item Name
Window,observation
FSC / FSG
9330 / 93 — Plastics Fabricated Materials
Manufacturer
Triumph Thermal Systems, Llc
Status
ACTIVE
Overall Thickness
0.062 INCHES NOMINAL IN
Material Transparency
CLEAR
Style Designator
SQUARE CORNERS
Material
PLASTIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 9330 — Plastics Fabricated Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
9330-00-001-6009
9330-00-001-6009 · Item name not on file
9330-00-003-0266
WINDOW,OBSERVATION
9330-00-003-1162
9330-00-003-1162 · Item name not on file
9330-00-003-2789
WINDOW,OBSERVATION
9330-00-003-3321
9330-00-003-3321 · Item name not on file
9330-00-003-6171
PLASTIC STRIP,PRESSURE SENSITIVE
9330-00-003-7116
PLASTIC STRIP
9330-00-003-8580
9330-00-003-8580 · Item name not on file
Frequently Asked Questions
What is NSN 9330-01-375-8074?
NSN 9330-01-375-8074 is a Window,observation, manufactured by Triumph Thermal Systems, Llc, classified under FSC 9330, Plastics Fabricated Materials. Status: active.
What part numbers are listed for NSN 9330-01-375-8074?
NSN 9330-01-375-8074 has 1 manufacturer part number on file: U542321 (Triumph Thermal Systems, Llc).
What are the specifications of U542321?
Key specifications for U542321: Overall Thickness: 0.062 INCHES NOMINAL IN; Material Transparency: CLEAR; Style Designator: SQUARE CORNERS; Overall Length: 1.500 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 9330-01-375-8074 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.