Cap, Retention, Pressure Plug4730-01-528-5577

NSN 4730-01-528-5577 · NIIN 015285577 · Part number 1/8 BSPTR

Sps Technologies Inc Unbrako Div · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 1C5D9

Government record, cited

NSN 4730-01-528-5577 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-528-5577. Manufacturer of record part number: 1/8 BSPTR.

Also searched as 4730-01-528-5577 · 4730015285577 · NIIN 015285577 · 01-528-5577 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 1C5D9 · 1/8 BSPTR · LP762-1-8

Nearby stock numbers ← 4730-01-528-5383 Adapter, Straight, Tube to Boss · 4730-01-528-5611 Tee, Tube →

4730-01-528-5577 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Cap,retention,pressure Plug — FSC 4730
3 manufacturer part numbers on file
Manufacturer of record: Sps Technologies Inc Unbrako Div

Identification

NSN: 4730-01-528-5577
NIIN: 015285577
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 1/8 BSPTR
Manufacturer: Sps Technologies Inc Unbrako Div

General Description

The Cap,retention,pressure Plug, cataloged under National Stock Number 4730-01-528-5577, 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 Sps Technologies Inc Unbrako Div. 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	4730-01-528-5577
Primary Part Number	1/8 BSPTR
Item Name	Cap,retention,pressure Plug
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Sps Technologies Inc Unbrako Div
Status	ACTIVE

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
1/8 BSPTR	Elesa (uk) Ltd (GBR)
LP762-1-8	Bae Systems Gcs International Ltd (GBR)
1/8 BSPTR PRIMARY	Sps Technologies Inc Unbrako Div (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 4730-01-528-5577?

NSN 4730-01-528-5577 is a Cap,retention,pressure Plug, manufactured by Sps Technologies Inc Unbrako Div, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-528-5577?

NSN 4730-01-528-5577 has 3 manufacturer part numbers on file: 1/8 BSPTR (Elesa (uk) Ltd), LP762-1-8 (Bae Systems Gcs International Ltd), 1/8 BSPTR (Sps Technologies Inc Unbrako Div).

What are the specifications of 1/8 BSPTR?

Key specifications for 1/8 BSPTR: End Item Identification: HOWITZER, 155MM, M777E1 MM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-528-5577 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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