PartsTable TECHNICAL DATA SHEET

NSN 5330-01-056-5491Government record, cited

Gasket5330-01-056-5491

NSN 5330-01-056-5491 · NIIN 010565491 · Part number 380053A

Brinkley Technology Group Llc Dba Hercules Manufacturing · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 1ML14

Government record, cited

NSN 5330-01-056-5491 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-056-5491. Manufacturer of record part number: 380053A.

Also searched as 5330-01-056-5491 · 5330010565491 · NIIN 010565491 · 01-056-5491 · FSC 5330 Packing and Gasket Materials · CAGE 1ML14 · 380053A

Nearby stock numbers ← 5330-01-056-5490 · 5330-01-056-5492 Seal, Nonmetallic Special Shaped →

5330-01-056-5491 — Packing and Gasket Materials

Features

Gasket — FSC 5330
Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
Aperture Diameter: 2.562 INCHES NOMINAL IN
Bolt Hole Quantity: 4
Center to Center Distance Between Bolt Holes Along Length: 3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Center to Center Distance Between Bolt Holes Along Width: 3.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Outside Edge to Bolt Hole Center Distance Along Length: 0.437 INCHES NOMINAL IN

Identification

NSN: 5330-01-056-5491
NIIN: 010565491
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 380053A
Manufacturer: Brinkley Technology Group Llc Dba Hercules Manufacturing

General Description

The Gasket, cataloged under National Stock Number 5330-01-056-5491, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5330-01-056-5491
Primary Part Number	380053A
Item Name	Gasket
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Manufacturer	Brinkley Technology Group Llc Dba Hercules Manufacturing
Status	ACTIVE
Cross-Sectional Thickness	0.031 INCHES NOMINAL IN
Cross-Sectional Shape Style	SOLID SINGLE OR COMPOSITION
Aperture Diameter	2.562 INCHES NOMINAL IN
Bolt Hole Quantity	4
Center to Center Distance Between Bolt Holes Along Length	3.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Center to Center Distance Between Bolt Holes Along Width	3.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Outside Edge to Bolt Hole Center Distance Along Length	0.437 INCHES NOMINAL IN
Outside Corner Radius	0.437 INCHES NOMINAL IN
Material	CORK OVERALL
Hole Diameter	0.437 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Outside Edge to Bolt Hole Center Distance Along Width	0.437 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	N

Cross-Reference Index

Part Number	Manufacturer
380053A PRIMARY	Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)

Reference documents

Reference	Meaning
380053A	5/9 Secondary reference Hercules Engine Co Inc

No interchangeability data on file.

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 5330-01-056-5491?

NSN 5330-01-056-5491 is a Gasket, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What part numbers are listed for NSN 5330-01-056-5491?

NSN 5330-01-056-5491 has 1 manufacturer part number on file: 380053A (Brinkley Technology Group Llc Dba Hercules Manufacturing).

What are the specifications of 380053A?

Key specifications for 380053A: Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Overall Length: 4.625 INCHES NOMINAL IN; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Overall Width: 4.312 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-056-5491 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.

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