PartsTable TECHNICAL DATA SHEET

NSN 4310-01-288-7993Government record, cited

Pneumatic Muffler, Exhaust-Intake4310-01-288-7993

NSN 4310-01-288-7993 · NIIN 012887993

FSC 4310 — Compressors and Vacuum Pumps · FSG 43 — Pumps and Compressors

Government record, cited

Also searched as 4310-01-288-7993 · 4310012887993 · NIIN 012887993 · 01-288-7993 · FSC 4310 Compressors and Vacuum Pumps · 4864184-0015 · 4864184 · 8454864184

Nearby stock numbers ← 4310-01-288-7965 Ring, Piston · 4310-01-288-9528 Piston, Compressor →

Features

Pneumatic Muffler,exhaust-Intake — FSC 4310
Overall Diameter: 2.500 INCHES NOMINAL IN
Muffler Design: STRAIGHT THROUGH
Body Shape: ROUND
Material: ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED

Identification

NSN: 4310-01-288-7993
NIIN: 012887993
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors

General Description

The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4310-01-288-7993, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4310-01-288-7993
Item Name	Pneumatic Muffler,exhaust-Intake
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Status	ACTIVE
Overall Diameter	2.500 INCHES NOMINAL IN
Muffler Design	STRAIGHT THROUGH
Body Shape	ROUND
Material	ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED

Lifecycle & Compliance

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

⇄ Related Items 12

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4730-01-322-01072621-561-03 PIECE 17 POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-322-01082621-561-03 PIECE 16 POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-343-34514864184 PIECE 59 POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

Possible match (shared part number)Naval Ship Systems Command

4730-01-343-34522621-561-03 PIECE 60 POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-377-74952621-561-03 PIECE 68 POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-377-7592845-4864184 PIECE 67 POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

Possible match (shared part number)Naval Ship Systems Command

4730-01-468-3381845-4864184 ITEM 131 POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

Possible match (shared part number)Naval Ship Systems Command

4730-01-468-3383845-4864184 ITEM 134 POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

Possible match (shared part number)Naval Ship Systems Command

5365-01-477-6407845-4864184 ITEM 132 POSSIBLE MATCH

SPACER,SLEEVE

Possible match (shared part number)Naval Ship Systems Command

5365-01-477-6622845-4864184 ITEM 137 POSSIBLE MATCH

SPACER,SLEEVE

Possible match (shared part number)Naval Ship Systems Command

Cross-Reference Index

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

Reference documents

Reference	Meaning
4864184-0015	3/2 Design control — primary reference U.S. Government activity
4864184	D/9 Drawing number reference only U.S. Government activity
8454864184	D/9 Drawing number reference only U.S. Government activity

Related Parts

4730-01-322-0107POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

2621-561-03 PIECE 17

4730-01-322-0108POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

2621-561-03 PIECE 16

4730-01-343-3451POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

4864184 PIECE 59

4730-01-343-3452POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

2621-561-03 PIECE 60

4730-01-377-7495POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

2621-561-03 PIECE 68

4730-01-377-7592POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

845-4864184 PIECE 67

4730-01-468-3381POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

845-4864184 ITEM 131

4730-01-468-3383POSSIBLE MATCH

RESTRICTOR,FLUID FLOW

845-4864184 ITEM 134

5365-01-477-6407POSSIBLE MATCH

SPACER,SLEEVE

845-4864184 ITEM 132

5365-01-477-6622POSSIBLE MATCH

SPACER,SLEEVE

845-4864184 ITEM 137

5365-01-477-7629POSSIBLE MATCH

SPACER,SLEEVE

845-4864184 ITEM 135

5365-01-477-7654POSSIBLE MATCH

SPACER,SLEEVE

014777654-02080

Frequently Asked Questions

What is NSN 4310-01-288-7993?

NSN 4310-01-288-7993 is a Pneumatic Muffler,exhaust-Intake, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What NSN replaces 4310-01-288-7993?

12 possible matches (shared part number, not a government interchangeability claim): 4730-01-322-0107, 4730-01-322-0108, 4730-01-343-3451. Verify interchangeability with system specifications before substitution.

What are the specifications of 4310-01-288-7993?

Key specifications for 4310-01-288-7993: Overall Diameter: 2.500 INCHES NOMINAL IN; Overall Length: 10.250 INCHES NOMINAL IN; Muffler Design: STRAIGHT THROUGH; Body Shape: ROUND. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4310-01-288-7993 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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