NSN 4710-01-388-2803 · NIIN 013882803 · Part number A51L21044-118
Northrop Grumman Systems Corporation · FSC 4710 — Pipe, Tube and Rigid Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 79RG9
Government record, cited
NSN 4710-01-388-2803 — this item is cataloged by the U.S. Government under National Stock Number 4710-01-388-2803. Manufacturer of record part number: A51L21044-118.
Also searched as4710-01-388-2803 ·
4710013882803 ·
NIIN 013882803 ·
01-388-2803 ·
FSC 4710 Pipe, Tube and Rigid Tubing · CAGE 79RG9 · A51L21044-118 · A51L21044
Nearby stock numbers← 4710-01-388-2794 Tube and Fittings, Metallic
·
4710-01-388-2806 Tube Assembly, Metal →
4710-01-388-2803 — Pipe, Tube and Rigid Tubing
Features
Tube and Fittings,metallic — FSC 4710
Design Form: PREBENT
Mating End Quantity: 1 SINGLE END
Wall Thickness: 0.020 INCHES NOMINAL IN
Tube Outside Diameter: 0.250 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING TUBING
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 4710-01-388-2803
NIIN: 013882803
FSC: 4710 — Pipe, Tube and Rigid Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: A51L21044-118
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-388-2803, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
4710-01-388-2803
Primary Part Number
A51L21044-118
Item Name
Tube and Fittings,metallic
FSC / FSG
4710 / 47 — Pipe, Tube and Rigid Tubing
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
Design Form
PREBENT
Mating End Quantity
1 SINGLE END
Wall Thickness
0.020 INCHES NOMINAL IN
Tube Outside Diameter
0.250 INCHES NOMINAL IN
Material
STEEL CORROSION RESISTING TUBING
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4710-01-388-2815A51L21044-119POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Northrop Grumman Systems Corporation
4710-01-388-2822A51L21044-120POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Northrop Grumman Systems Corporation
4710-01-388-2827A51L21044-103POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Northrop Grumman Systems Corporation
4710-01-388-2831A51L21044-71POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Northrop Grumman Systems Corporation
4710-01-388-4705A51L21044-141POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Northrop Grumman Systems Corporation
4710-01-388-4782A51L21044-140POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
Possible match (shared part number)Northrop Grumman Systems Corporation
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems
A51L21044-118
5/9Secondary reference
Northrop Grumman Systems Corporation
Related Parts
4710-01-388-2815POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
A51L21044-119
4710-01-388-2822POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
A51L21044-120
4710-01-388-2827POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
A51L21044-103
4710-01-388-2831POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
A51L21044-71
4710-01-388-4705POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
A51L21044-141
4710-01-388-4782POSSIBLE MATCH
TUBE AND FITTINGS,METALLIC
A51L21044-140
Frequently Asked Questions
What is NSN 4710-01-388-2803?
NSN 4710-01-388-2803 is a Tube and Fittings,metallic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
What part numbers are listed for NSN 4710-01-388-2803?
NSN 4710-01-388-2803 has 1 manufacturer part number on file: A51L21044-118 (Northrop Grumman Systems Corporation).
What NSN replaces 4710-01-388-2803?
6 possible matches (shared part number, not a government interchangeability claim): 4710-01-388-2815, 4710-01-388-2822, 4710-01-388-2827. Verify interchangeability with system specifications before substitution.
What are the specifications of A51L21044-118?
Key specifications for A51L21044-118: Design Form: PREBENT; Mating End Quantity: 1 SINGLE END; Wall Thickness: 0.020 INCHES NOMINAL IN; Tube Outside Diameter: 0.250 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4710-01-388-2803 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.