The Locknut,pipe, cataloged under National Stock Number 4730-01-452-7056, 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 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc. The record lists 5 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Locknut,pipe |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | General Dynamics Land Systems Canadacorp (CAGE 56161); Zf of South Africa (pty) Ltd (CAGE SBB61); Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (CAGE 0FW39); Amz Alabama Inc. (CAGE 076M6); Denel Vehicle Systems (CAGE SZ177) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-452-7056 |
| Primary Part Number | 0770 020 021 |
| Item Name | Locknut,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| R0099987 | General Dynamics Land Systems Canadacorp (CAN) |
| 0770-020-013 | Zf of South Africa (pty) Ltd (ZAF) |
| 0770 020 021 PRIMARY | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 0770 020 021 | Amz Alabama Inc. (USA) |
| R0099987 | Denel Vehicle Systems (ZAF) |
| Reference | Meaning |
|---|---|
| 0770 020 013 | 5/9 Secondary reference Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc |
| 0770 020 013 | 5/9 Secondary reference Zf Industries Inc |
| R0099987-0301 | D/9 Drawing number reference only Denel Vehicle Systems |
NSN 4730-01-452-7056 is a Locknut,pipe, manufactured by Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-452-7056 has 5 manufacturer part numbers on file: R0099987 (General Dynamics Land Systems Canadacorp), 0770-020-013 (Zf of South Africa (pty) Ltd), 0770 020 021 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 0770 020 021 (Amz Alabama Inc.), R0099987 (Denel Vehicle Systems).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-592-6582. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.