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NSN 4730-01-317-8920Government record, cited

Outlet, Pipe4730-01-317-8920

NSN 4730-01-317-8920 · NIIN 013178920 · Part number 2621-053-01 PIECE 68
Triumph Manufacturing Company, Inc. · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 8X098
Government record, cited
NSN 4730-01-317-8920 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-317-8920. Manufacturer of record part number: 2621-053-01 PIECE 68.
Also searched as  4730-01-317-8920 · 4730013178920 · NIIN 013178920 · 01-317-8920 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 8X098 · 2621-053-01 PIECE 68 · 4684531 · 2621-053-01 · 4684531-F5
Nearby stock numbers  ·
Features
  • Outlet,pipe — FSC 4730
  • Mounting End Type: FLAT
  • Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN
  • Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN
  • Connection Style: SOCKET (PIPE) FIRST END
  • Connection Style: BEVELED (PIPE) SECOND END
  • Nominal Overall Length: 1.620 INCHES IN
  • Connection Type: UNTHREADED INTERNAL PIPE FIRST END
Identification
  • NSN: 4730-01-317-8920
  • NIIN: 013178920
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 2621-053-01 PIECE 68
  • Manufacturer: Triumph Manufacturing Company, Inc.
General Description

The Outlet,pipe, cataloged under National Stock Number 4730-01-317-8920, 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 Triumph Manufacturing Company, Inc.. Government technical data includes 14 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-317-8920
Primary Part Number2621-053-01 PIECE 68
Item NameOutlet,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerTriumph Manufacturing Company, Inc.
StatusACTIVE
Mounting End TypeFLAT
Nominal Pipe Size Accommodated0.250 INCHES FIRST END IN
Nominal Pipe Size Accommodated0.250 INCHES SECOND END IN
Connection StyleSOCKET (PIPE) FIRST END
Connection StyleBEVELED (PIPE) SECOND END
Nominal Overall Length1.620 INCHES IN
Connection TypeUNTHREADED INTERNAL PIPE FIRST END
Connection TypeBUTT WELD PIPE SECOND END
Style DesignatorPLAIN W/CONCAVE SIDES
Material Document and ClassificationMIL-C-15726,7030 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Operating Pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 FIRST END
Pipe Wall Thickness Designation for Which DesignedSCHEDULE 80 SECOND END
MaterialCOPPER ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-318-15042621-791-01 PIECE 201 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-318-27311385942 PC 3 2IN POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)Naval Ship Systems Command
4730-01-318-27392621-754-01 PIECE 135 POSSIBLE MATCH
TEE,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-318-28432621-053-01 PC 99 POSSIBLE MATCH
OUTLET,PIPE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
2621-053-01 PIECE 68 Triumph Manufacturing Company, Inc. (USA)
Reference documents
ReferenceMeaning
2621-053-01 PIECE 68 3/2 Design control — primary reference
U.S. Government activity
4684531 D/9 Drawing number reference only
U.S. Government activity
2621-053-01 D/9 Drawing number reference only
U.S. Government activity
4684531-F5 5/2 Secondary reference
U.S. Government activity
Related Parts
4730-01-318-1504POSSIBLE MATCH
TAILPIECE,UNION
2621-791-01 PIECE 201
4730-01-318-2731POSSIBLE MATCH
ELBOW,PIPE
1385942 PC 3 2IN
4730-01-318-2739POSSIBLE MATCH
TEE,PIPE
2621-754-01 PIECE 135
4730-01-318-2843POSSIBLE MATCH
OUTLET,PIPE
2621-053-01 PC 99

Frequently Asked Questions

What is NSN 4730-01-317-8920?

NSN 4730-01-317-8920 is a Outlet,pipe, manufactured by Triumph Manufacturing Company, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-317-8920?

NSN 4730-01-317-8920 has 1 manufacturer part number on file: 2621-053-01 PIECE 68 (Triumph Manufacturing Company, Inc.).

What NSN replaces 4730-01-317-8920?

4 possible matches (shared part number, not a government interchangeability claim): 4730-01-318-1504, 4730-01-318-2731, 4730-01-318-2739. Verify interchangeability with system specifications before substitution.

What are the specifications of 2621-053-01 PIECE 68?

Key specifications for 2621-053-01 PIECE 68: Mounting End Type: FLAT; Nominal Pipe Size Accommodated: 0.250 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 0.250 INCHES SECOND END IN; Connection Style: SOCKET (PIPE) FIRST END. 14 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-317-8920 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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