Cylinder Spacer4310-01-090-9447

NSN 4310-01-090-9447 · NIIN 010909447

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

Government record, cited

Also searched as 4310-01-090-9447 · 4310010909447 · NIIN 010909447 · 01-090-9447 · FSC 4310 Compressors and Vacuum Pumps · R-CYL-520 · CYL520 · HL-21147 PIECE 76 · CYL520 · CYL520

Nearby stock numbers ← 4310-01-090-9428 · 4310-01-090-9495 Compressor, Reciprocating →

Features

Cylinder Spacer — FSC 4310
General Characteristics Item Description: NODULAR IRON MIL-I-24137 CLASS A;150-190 BRINELL HARDNESS;EPOXY COATED;6.509 IN. O/A L;10.880 IN. O/A OD IN

Identification

NSN: 4310-01-090-9447
NIIN: 010909447
FSC: 4310 — Compressors and Vacuum Pumps
FSG: 43 — Pumps and Compressors

General Description

The Cylinder Spacer, cataloged under National Stock Number 4310-01-090-9447, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4310-01-090-9447
Item Name	Cylinder Spacer
FSC / FSG	4310 / 43 — Compressors and Vacuum Pumps
Status	ACTIVE
General Characteristics Item Description	NODULAR IRON MIL-I-24137 CLASS A;150-190 BRINELL HARDNESS;EPOXY COATED;6.509 IN. O/A L;10.880 IN. O/A OD IN

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

Cross-Reference Index

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

Reference documents

Reference	Meaning
R-CYL-520	D/9 Drawing number reference only Atlas Copco Holyoke Inc
CYL520	5/9 Secondary reference U.S. Government activity
HL-21147 PIECE 76	5/9 Secondary reference U.S. Government activity
CYL520	3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand
CYL520	C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
HL-21144 PIECE 76	5/9 Secondary reference U.S. Government activity

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 4310-01-090-9447?

NSN 4310-01-090-9447 is a Cylinder Spacer, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.

What are the specifications of 4310-01-090-9447?

Key specifications for 4310-01-090-9447: General Characteristics Item Description: NODULAR IRON MIL-I-24137 CLASS A;150-190 BRINELL HARDNESS;EPOXY COATED;6.509 IN. O/A L;10.880 IN. O/A OD IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4310-01-090-9447 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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