PartsTable TECHNICAL DATA SHEET

NSN 4310-01-176-9481Government record, cited

Ring, Piston4310-01-176-9481

NSN 4310-01-176-9481 · NIIN 011769481 · Part number 634A478-002

Double Seal Ring Co · FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors · CAGE 71975

Government record, cited

NSN 4310-01-176-9481 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-176-9481. Manufacturer of record part number: 634A478-002.

Also searched as 4310-01-176-9481 · 4310011769481 · NIIN 011769481 · 01-176-9481 · FSC 4310 Compressors and Vacuum Pumps · CAGE 71975 · 634A478-002

Nearby stock numbers ← 4310-01-176-8397 · 4310-01-176-9495 Compressor Unit, Rotary →

Features

Ring,piston — FSC 4310
1 manufacturer part number on file
Manufacturer of record: Double Seal Ring Co

Identification

NSN: 4310-01-176-9481
NIIN: 011769481
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 634A478-002
Manufacturer: Double Seal Ring Co

General Description

The Ring,piston, cataloged under National Stock Number 4310-01-176-9481, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Double Seal Ring Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Ring,piston
FSC / FSG	4310 — Compressors and Vacuum Pumps (FSG 43)
Manufacturers	Double Seal Ring Co (CAGE 71975)

Technical Specifications

Parameter	Value
NSN	4310-01-176-9481
Primary Part Number	634A478-002
Item Name	Ring,piston
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Manufacturer	Double Seal Ring Co
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
634A478-002 PRIMARY	Double Seal Ring Co (USA)

Reference documents

Reference	Meaning
634A478-002	5/9 Secondary reference General Electric Company

No interchangeability data on file.

Other items in FSC 4310 — Compressors and Vacuum Pumps

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4310-00-000-0050

COMPRESSOR UNIT,RECIPROCATING

4310-00-001-0059

4310-00-001-0059 · Item name not on file

4310-00-001-2044

MOUNTING PAD,TANK,PRESSURE

4310-00-001-3477

PARTS KIT,VACUUM PUMP

4310-00-001-3493

VACUUM PUMP,ROTARY

4310-00-001-6194

4310-00-001-6194 · Item name not on file

4310-00-001-6381

4310-00-001-6381 · Item name not on file

4310-00-001-7755

PARTS KIT,VACUUM PUMP

Frequently Asked Questions

What is NSN 4310-01-176-9481?

NSN 4310-01-176-9481 is a Ring,piston, manufactured by Double Seal Ring Co, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What part numbers are listed for NSN 4310-01-176-9481?

NSN 4310-01-176-9481 has 1 manufacturer part number on file: 634A478-002 (Double Seal Ring Co).

Is NSN 4310-01-176-9481 hazardous material?

No hazard code in the DLA record (HMIC N). 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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