NSN 5999-01-478-3256 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-478-3256. Manufacturer of record part number: 4081-3921-AB.
Also searched as5999-01-478-3256 ·
5999014783256 ·
NIIN 014783256 ·
01-478-3256 ·
FSC 5999 Miscellaneous Electrical and Electronic Components · CAGE 62895 · 4081-3921-AB · 6782550 · 6782550-4
Material Document and Classification: UNABLE TO DECODE
Material: UNABLE TO DECODE
3 manufacturer part numbers on file
Manufacturer of record: Kritech Corporation
Identification
NSN: 5999-01-478-3256
NIIN: 014783256
FSC: 5999 — Miscellaneous Electrical and Electronic Components
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 4081-3921-AB
Manufacturer: Kritech Corporation
General Description
The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-478-3256, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kritech Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5999-01-478-3256
Primary Part Number
4081-3921-AB
Item Name
Shielding Gasket,electronic
FSC / FSG
5999 / 59 — Miscellaneous Electrical and Electronic Components
Manufacturer
Kritech Corporation
Status
ACTIVE
Criticality Code Justification
FEAT
Material Document and Classification
UNABLE TO DECODE
Material
UNABLE TO DECODE
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 5999 — Miscellaneous Electrical and Electronic Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5999-00-001-1345
5999-00-001-1345 · Item name not on file
5999-00-001-1346
5999-00-001-1346 · Item name not on file
5999-00-001-1348
5999-00-001-1348 · Item name not on file
5999-00-001-1349
5999-00-001-1349 · Item name not on file
5999-00-001-1355
5999-00-001-1355 · Item name not on file
5999-00-001-1623
5999-00-001-1623 · Item name not on file
5999-00-001-2537
5999-00-001-2537 · Item name not on file
5999-00-001-2539
5999-00-001-2539 · Item name not on file
Frequently Asked Questions
What is NSN 5999-01-478-3256?
NSN 5999-01-478-3256 is a Shielding Gasket,electronic, manufactured by Kritech Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
What part numbers are listed for NSN 5999-01-478-3256?
NSN 5999-01-478-3256 has 3 manufacturer part numbers on file: 6782550 (Naval Sea Systems Command), 4081-3921-AB (Kritech Corporation), 6782550-4 (Naval Sea Systems Command).
What are the specifications of 4081-3921-AB?
Key specifications for 4081-3921-AB: Overall Height: 0.750 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Material Document and Classification: UNABLE TO DECODE; Overall Width: 0.0625 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5999-01-478-3256 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.