Elbow, Boss4730-01-355-5906

NSN 4730-01-355-5906 · NIIN 013555906 · Part number 12563255

Bae Systems Land & Armaments L.p. · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 06085

Government record, cited

NSN 4730-01-355-5906 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-355-5906. Manufacturer of record part number: 12563255.

Also searched as 4730-01-355-5906 · 4730013555906 · NIIN 013555906 · 01-355-5906 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 06085 · 12563255

Nearby stock numbers ← 4730-01-355-5904 · 4730-01-355-5907 →

4730-01-355-5906 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Elbow,boss — FSC 4730
Flow Angle: 90.0 DEGREES
Surface Treatment Document and Classification: MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Connection Style: GASKET SEAL (BOSS) ALL ENDS
Connection Type: THREADED INTERNAL BOSS ALL ENDS
Material Document and Classification: QQ-A-200/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Leg Length: 1.250 INCHES NOMINAL SECOND END IN
Leg Length: 3.250 INCHES NOMINAL FIRST END IN

Identification

NSN: 4730-01-355-5906
NIIN: 013555906
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 12563255
Manufacturer: Bae Systems Land & Armaments L.p.

General Description

The Elbow,boss, cataloged under National Stock Number 4730-01-355-5906, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-355-5906
Primary Part Number	12563255
Item Name	Elbow,boss
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Bae Systems Land & Armaments L.p.
Status	ACTIVE
Flow Angle	90.0 DEGREES
Surface Treatment Document and Classification	MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Connection Style	GASKET SEAL (BOSS) ALL ENDS
Connection Type	THREADED INTERNAL BOSS ALL ENDS
Material Document and Classification	QQ-A-200/8 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-250/6 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Leg Length	1.250 INCHES NOMINAL SECOND END IN
Leg Length	3.250 INCHES NOMINAL FIRST END IN
Nominal Thread Size	0.750 INCHES SECOND END IN
Nominal Thread Size	0.875 INCHES FIRST END IN
Surface Treatment	PAINT OVERALL
Thread Class	3B FIRST END
Material	ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 5083 OVERALL
Thread Series Designator	UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS

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

Part Number	Manufacturer
12563255	Amz Alabama Inc. (USA)
12563255 PRIMARY	Bae Systems Land & Armaments L.p. (USA)
12563255	Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)

No interchangeability data on file.

Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

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

4730-00-000-1895

4730-00-000-1895 · Item name not on file

4730-00-000-4289

4730-00-000-4289 · Item name not on file

4730-00-000-4445

4730-00-000-4445 · Item name not on file

4730-00-000-8373

4730-00-000-8373 · Item name not on file

4730-00-000-8897

4730-00-000-8897 · Item name not on file

4730-00-001-0007

4730-00-001-0007 · Item name not on file

4730-00-001-0008

COUPLING,TUBE

4730-00-001-0008

COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-01-355-5906?

NSN 4730-01-355-5906 is a Elbow,boss, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-355-5906?

NSN 4730-01-355-5906 has 3 manufacturer part numbers on file: 12563255 (Amz Alabama Inc.), 12563255 (Bae Systems Land & Armaments L.p.), 12563255 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).

What are the specifications of 12563255?

Key specifications for 12563255: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: MIL-C-22750 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: GASKET SEAL (BOSS) ALL ENDS; Connection Type: THREADED INTERNAL BOSS ALL ENDS. 13 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-355-5906 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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