NSN 4730-00-924-7977 · NIIN 009247977 · Part number L1521
Caterpillar Inc Div Caterpillar Defense · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 11083
Government record, cited
NSN 4730-00-924-7977 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-924-7977. Manufacturer of record part number: L1521.
Also searched as4730-00-924-7977 ·
4730009247977 ·
NIIN 009247977 ·
00-924-7977 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 11083 · L1521 · 0L1521
4730-00-924-7977 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Plug,pipe — FSC 4730
2 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 4730-00-924-7977
NIIN: 009247977
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: L1521
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Plug,pipe, cataloged under National Stock Number 4730-00-924-7977, 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 Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
NSN 4730-00-924-7977 is a Plug,pipe, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-00-924-7977?
NSN 4730-00-924-7977 has 2 manufacturer part numbers on file: L1521 (Caterpillar Inc Div Caterpillar Defense), 0L1521 (Caterpillar Inc Div Caterpillar Defense).
What NSN replaces 4730-00-924-7977?
1 possible match (shared part number, not a government interchangeability claim): 4730-01-474-3989. Verify interchangeability with system specifications before substitution.
What are the specifications of L1521?
Key specifications for L1521: End Item Identification: CATERPILLAR MODEL 830MB TRACTOR MB. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4730-00-924-7977 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.