NSN 5330-01-729-4637 · NIIN 017294637 · Part number B-1777
L3 Technologies, Inc. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 28199
Government record, cited
NSN 5330-01-729-4637 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-729-4637. Manufacturer of record part number: B-1777.
Also searched as5330-01-729-4637 ·
5330017294637 ·
NIIN 017294637 ·
01-729-4637 ·
FSC 5330 Packing and Gasket Materials · CAGE 28199 · B-1777 · 10-4020-1/PG 1 · 10-4020-1 ITEM 32
The Gasket, cataloged under National Stock Number 5330-01-729-4637, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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.
Catalog Facts
Item Name
Gasket
FSC / FSG
5330 — Packing and Gasket Materials (FSG 53)
Manufacturers
L3 Technologies, Inc. (CAGE 28199)
Technical Specifications
Parameter
Value
NSN
5330-01-729-4637
Primary Part Number
B-1777
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
L3 Technologies, Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-729-4639G-1236POSSIBLE MATCH
NUT,TUBE COUPLING
Possible match (shared part number)L3 Technologies, Inc.
5330-01-729-4640C-4507POSSIBLE MATCH
GASKET
Possible match (shared part number)L3 Technologies, Inc.
5330-01-729-4641G-1381-18-3NPOSSIBLE MATCH
GASKET
Possible match (shared part number)L3 Technologies, Inc.
5310-01-729-4642G-1490-1801POSSIBLE MATCH
NUT,SELF-LOCKING,CLINCH
Possible match (shared part number)L3 Technologies, Inc.
5305-01-729-4643NA-500-D-6-5POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)L3 Technologies, Inc.
C/1Advisory reference — outside the item-of-supply concept
L3 Technologies, Inc.
Related Parts
4730-01-729-4639POSSIBLE MATCH
NUT,TUBE COUPLING
G-1236
5330-01-729-4640POSSIBLE MATCH
GASKET
C-4507
5330-01-729-4641POSSIBLE MATCH
GASKET
G-1381-18-3N
5310-01-729-4642POSSIBLE MATCH
NUT,SELF-LOCKING,CLINCH
G-1490-1801
5305-01-729-4643POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
NA-500-D-6-5
Frequently Asked Questions
What is NSN 5330-01-729-4637?
NSN 5330-01-729-4637 is a Gasket, manufactured by L3 Technologies, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-01-729-4637?
NSN 5330-01-729-4637 has 1 manufacturer part number on file: B-1777 (L3 Technologies, Inc.).
What NSN replaces 5330-01-729-4637?
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-729-4639, 5330-01-729-4640, 5330-01-729-4641. Verify interchangeability with system specifications before substitution.
Is NSN 5330-01-729-4637 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.