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NSN 4730-01-731-9809Government record, cited

Union, Pipe4730-01-731-9809

NSN 4730-01-731-9809 · NIIN 017319809 · Part number 35100-4090
Timken Gears & Services Inc. Div Philadelphia Gear · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 17454
Government record, cited
NSN 4730-01-731-9809 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-731-9809. Manufacturer of record part number: 35100-4090.
Also searched as  4730-01-731-9809 · 4730017319809 · NIIN 017319809 · 01-731-9809 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 17454 · 35100-4090 · 01070-0511 · 01070-0511 REV G ITEM 40
Nearby stock numbers  ·
Features
  • Union,pipe — FSC 4730
  • 1 manufacturer part number on file
  • Manufacturer of record: Timken Gears & Services Inc. Div Philadelphia Gear
Identification
  • NSN: 4730-01-731-9809
  • NIIN: 017319809
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 35100-4090
  • Manufacturer: Timken Gears & Services Inc. Div Philadelphia Gear
General Description

The Union,pipe, cataloged under National Stock Number 4730-01-731-9809, 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 Timken Gears & Services Inc. Div Philadelphia Gear. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts
Item NameUnion,pipe
FSC / FSG4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
ManufacturersTimken Gears & Services Inc. Div Philadelphia Gear (CAGE 17454)
Technical Specifications
ParameterValue
NSN4730-01-731-9809
Primary Part Number35100-4090
Item NameUnion,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerTimken Gears & Services Inc. Div Philadelphia Gear
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5315-01-731-998050070-2203 POSSIBLE MATCH
KEY,MACHINE
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
5365-01-731-998931000-2768-MIL POSSIBLE MATCH
BUSHING,NONMETALLIC
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
5315-01-732-003533000-0218-MIL POSSIBLE MATCH
PIN,SPRING
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
5315-01-732-292050285-0598 POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
3010-01-732-337232300-3269 POSSIBLE MATCH
COUPLING HALF,SHAFT
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
3010-01-732-339032300-1332-MIL POSSIBLE MATCH
COUPLING HALF,SHAFT
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
3040-01-732-351432000-0439-MIL POSSIBLE MATCH
SPIDER,DIFFERENTIAL
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
5315-01-732-399250075-0754 POSSIBLE MATCH
PIN,QUICK RELEASE
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
3120-01-732-471731000-2682-MIL POSSIBLE MATCH
BEARING,PLAIN,CAM FOLLOWER
Possible match (shared part number)Timken Gears & Services Inc. Div Philadelphia Gear
Cross-Reference Index
Part NumberManufacturer
35100-4090 PRIMARY Timken Gears & Services Inc. Div Philadelphia Gear (USA)
Reference documents
ReferenceMeaning
01070-0511 D/9 Drawing number reference only
Timken Gears & Services Inc. Div Philadelphia Gear
01070-0511 REV G ITEM 40 C/1 Advisory reference — outside the item-of-supply concept
Timken Gears & Services Inc. Div Philadelphia Gear
Related Parts
5315-01-731-9980POSSIBLE MATCH
KEY,MACHINE
50070-2203
5365-01-731-9989POSSIBLE MATCH
BUSHING,NONMETALLIC
31000-2768-MIL
5315-01-732-0035POSSIBLE MATCH
PIN,SPRING
33000-0218-MIL
5315-01-732-2920POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
50285-0598
3010-01-732-3372POSSIBLE MATCH
COUPLING HALF,SHAFT
32300-3269
3010-01-732-3390POSSIBLE MATCH
COUPLING HALF,SHAFT
32300-1332-MIL
3040-01-732-3514POSSIBLE MATCH
SPIDER,DIFFERENTIAL
32000-0439-MIL
5315-01-732-3992POSSIBLE MATCH
PIN,QUICK RELEASE
50075-0754
3120-01-732-4717POSSIBLE MATCH
BEARING,PLAIN,CAM FOLLOWER
31000-2682-MIL

Frequently Asked Questions

What is NSN 4730-01-731-9809?

NSN 4730-01-731-9809 is a Union,pipe, manufactured by Timken Gears & Services Inc. Div Philadelphia Gear, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-731-9809?

NSN 4730-01-731-9809 has 1 manufacturer part number on file: 35100-4090 (Timken Gears & Services Inc. Div Philadelphia Gear).

What NSN replaces 4730-01-731-9809?

9 possible matches (shared part number, not a government interchangeability claim): 5315-01-731-9980, 5365-01-731-9989, 5315-01-732-0035. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-731-9809 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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