Back-Up Ring, Preformed Packing5330-01-528-0277

NSN 5330-01-528-0277 · NIIN 015280277

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

Government record, cited

Also searched as 5330-01-528-0277 · 5330015280277 · NIIN 015280277 · 01-528-0277 · FSC 5330 Packing and Gasket Materials

Nearby stock numbers ← 5330-01-528-0156 Gasket · 5330-01-528-0278 Gasket →

5330-01-528-0277 — Packing and Gasket Materials

Features

Back-Up Ring,preformed Packing — FSC 5330
Cross-Sectional Height: 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN
Material Document and Classification: AMS3666 ASSN STD SINGLE MATERIAL RESPONSE
Cross-Sectional Shape Style: SOLID
Peripheral Diameter: 1.622 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
Center Hole Diameter: 1.460 INCHES MINIMUM AND 1.470 INCHES MAXIMUM IN
Material: PLASTIC

Identification

NSN: 5330-01-528-0277
NIIN: 015280277
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives

General Description

The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-528-0277, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5330-01-528-0277
Item Name	Back-Up Ring,preformed Packing
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Status	ACTIVE
Cross-Sectional Height	0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN
Material Document and Classification	AMS3666 ASSN STD SINGLE MATERIAL RESPONSE
Cross-Sectional Shape Style	SOLID
Peripheral Diameter	1.622 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
Center Hole Diameter	1.460 INCHES MINIMUM AND 1.470 INCHES MAXIMUM IN
Material	PLASTIC

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
767620-1	3/2 Design control — primary 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 5330-01-528-0277?

NSN 5330-01-528-0277 is a Back-Up Ring,preformed Packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What are the specifications of 5330-01-528-0277?

Key specifications for 5330-01-528-0277: Cross-Sectional Height: 0.005 INCHES MINIMUM AND 0.007 INCHES MAXIMUM IN; Material Document and Classification: AMS3666 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: SOLID; Peripheral Diameter: 1.622 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-528-0277 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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