NSN 5330-00-641-7939 · NIIN 006417939 · Part number 4H8677
Caterpillar Inc Div Caterpillar Defense · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5330-00-641-7939 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-641-7939. Manufacturer of record part number: 4H8677.
Also searched as5330-00-641-7939 ·
5330006417939 ·
NIIN 006417939 ·
00-641-7939 ·
FSC 5330 Packing and Gasket Materials · CAGE 11083 · 4H8677
Cross-Sectional Shape Style: CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
Aperture Width: 9.375 INCHES NOMINAL IN
Aperture Length: 37.688 INCHES NOMINAL IN
Outside Corner Radius: 0.312 INCHES NOMINAL IN
Material: ASBESTOS AND RUBBER SYNTHETIC OVERALL
Hole Diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Identification
NSN: 5330-00-641-7939
NIIN: 006417939
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 4H8677
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Gasket, cataloged under National Stock Number 5330-00-641-7939, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 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
5330-00-641-7939
Primary Part Number
4H8677
Item Name
Gasket
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Inside Corner Radius
0.312 INCHES NOMINAL IN
Cross-Sectional Shape Style
CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
Aperture Width
9.375 INCHES NOMINAL IN
Aperture Length
37.688 INCHES NOMINAL IN
Outside Corner Radius
0.312 INCHES NOMINAL IN
Material
ASBESTOS AND RUBBER SYNTHETIC OVERALL
Hole Diameter
0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085
RETAINER
5330-00-000-0167
PARTS KIT,SEAL REPLACEMENT,MECHA
5330-00-000-5275
5330-00-000-5275 · Item name not on file
5330-00-001-1260
SEAL,NONMETALLIC SPECIAL SHAPED
5330-00-001-1833
SEAL,PLAIN ENCASED
5330-00-001-1844
GLAND,RESERVOIR,INDICATOR END
5330-00-001-1845
5330-00-001-1845 · Item name not on file
5330-00-001-1846
5330-00-001-1846 · Item name not on file
Frequently Asked Questions
What is NSN 5330-00-641-7939?
NSN 5330-00-641-7939 is a Gasket, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-00-641-7939?
NSN 5330-00-641-7939 has 1 manufacturer part number on file: 4H8677 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 4H8677?
Key specifications for 4H8677: Inside Corner Radius: 0.312 INCHES NOMINAL IN; Overall Length: 39.312 INCHES NOMINAL IN; Cross-Sectional Shape Style: CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL; Overall Width: 11.000 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5330-00-641-7939 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.