Retainer, Packing5330-01-198-1638

NSN 5330-01-198-1638 · NIIN 011981638

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

Government record, cited

Also searched as 5330-01-198-1638 · 5330011981638 · NIIN 011981638 · 01-198-1638 · FSC 5330 Packing and Gasket Materials · 157576-F PIECE 40 · 157581-40

Nearby stock numbers ← 5330-01-198-1612 Gasket · 5330-01-198-1729 →

5330-01-198-1638 — Packing and Gasket Materials

Features

Retainer,packing — FSC 5330
Outer Groove Depth: 0.125 INCHES NOMINAL IN
Cross-Sectional Height: 1.016 INCHES NOMINAL IN
Material Document and Classification: ASTM A7 UNS K02600 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
Peripheral Diameter: 3.469 INCHES NOMINAL IN
Outer Groove Width: 0.141 INCHES NOMINAL IN
Center Hole Diameter: 1.629 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN
Material: STEEL UNS K02600 RETAINER

Identification

NSN: 5330-01-198-1638
NIIN: 011981638
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives

General Description

The Retainer,packing, cataloged under National Stock Number 5330-01-198-1638, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5330-01-198-1638
Item Name	Retainer,packing
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Status	ACTIVE
Outer Groove Depth	0.125 INCHES NOMINAL IN
Cross-Sectional Height	1.016 INCHES NOMINAL IN
Material Document and Classification	ASTM A7 UNS K02600 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
Peripheral Diameter	3.469 INCHES NOMINAL IN
Outer Groove Width	0.141 INCHES NOMINAL IN
Center Hole Diameter	1.629 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN
Material	STEEL UNS K02600 RETAINER

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
157576-F PIECE 40	5/2 Secondary reference U.S. Government activity
157581-40	3/2 Design control — primary reference U.S. Government activity

Frequently Asked Questions

What is NSN 5330-01-198-1638?

NSN 5330-01-198-1638 is a Retainer,packing, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What are the specifications of 5330-01-198-1638?

Key specifications for 5330-01-198-1638: Outer Groove Depth: 0.125 INCHES NOMINAL IN; Cross-Sectional Height: 1.016 INCHES NOMINAL IN; Material Document and Classification: ASTM A7 UNS K02600 ASSN STD SINGLE MATERIAL RESPONSE RETAINER; Peripheral Diameter: 3.469 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-198-1638 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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