Seal, Nonmetallic Special Shaped5330-01-256-4506

NSN 5330-01-256-4506 · NIIN 012564506

FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives

Government record, cited

Also searched as 5330-01-256-4506 · 5330012564506 · NIIN 012564506 · 01-256-4506 · FSC 5330 Packing and Gasket Materials · 634031-233 · K634031-233 · K634031-35

Nearby stock numbers ← 5330-01-256-4502 Retainer, Packing · 5330-01-256-4625 Insulation, Thermal, Special Purpo →

5330-01-256-4506 — Packing and Gasket Materials

Features

Seal,nonmetallic Special Shaped — FSC 5330
Material Document and Classification: MIL-R-6855 CLASS 4 GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OR X3342 CAGEC 8B786 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: HOLLOW BULBHOLLOW BULB
Material: RUBBER CHLOROPRENE CLASS CR OVERALL

Identification

NSN: 5330-01-256-4506
NIIN: 012564506
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives

General Description

The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-256-4506, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5330-01-256-4506
Item Name	Seal,nonmetallic Special Shaped
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Status	ACTIVE
Material Document and Classification	MIL-R-6855 CLASS 4 GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OR X3342 CAGEC 8B786 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style	HOLLOW BULBHOLLOW BULB
Material	RUBBER CHLOROPRENE CLASS CR OVERALL

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

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
634031-233	5/9 Secondary reference U.S. Government activity
K634031-233	3/2 Design control — primary reference U.S. Government activity
K634031-35	5/9 Secondary reference U.S. Government activity

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 5330-01-256-4506?

NSN 5330-01-256-4506 is a Seal,nonmetallic Special Shaped, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What are the specifications of 5330-01-256-4506?

Key specifications for 5330-01-256-4506: Material Document and Classification: MIL-R-6855 CLASS 4 GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE OR X3342 CAGEC 8B786 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 13.530 INCHES NOMINAL13.530 INCHES NOMINAL IN; Cross-Sectional Shape Style: HOLLOW BULBHOLLOW BULB; Material: RUBBER CHLOROPRENE CLASS CR OVERALL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-256-4506 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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