The Tape,lacing and Tying, cataloged under National Stock Number 4020-01-181-8148, is classified within Federal Supply Class 4020 (Fiber Rope, Cordage, and Twine) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4020-01-181-8148 |
| Primary Part Number | R10299P4 |
| Item Name | Tape,lacing and Tying |
| FSC / FSG | 4020 / 40 — Fiber Rope, Cordage, and Twine |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Length | 500.000 YARDS NOMINAL |
| Material Document and Classification | MIL-T-43435, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Breaking Strength | 25.0 POUNDS MINIMUM LBS |
| Nondefinitive Spec/std Data | 1 TYPE AND B FINISH AND 4 SIZE |
| Physical Form | SPOOL |
| Color | BLACK |
| Unable to Decode | UNABLE TO DECODE |
| Material | WAX IMPREGNATION |
| Material | PLASTIC POLYAMIDE NYLON OVERALL |
| Thickness | 0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN |
| 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 |
|---|---|
| R10299P4 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| MBBN3414-4N | Airbus Helicopters Deutschland Gmbh - Entwicklung (DEU) |
| Reference | Meaning |
|---|---|
| 0301220101 | 5/2 Secondary reference U.S. Government activity |
| A-A-52080-B-4 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 22 BL SL | 5/2 Secondary reference U.S. Government activity |
| MIL-T-43435TYPE1SIZE4FINBBLK | 5/9 Secondary reference U.S. Government activity |
| MIL-T-43435 TYPE1 FINISH B SIZE4 | 5/9 Secondary reference U.S. Government activity |
| GUDELACE 22 BL SL | 5/2 Secondary reference U.S. Government activity |
NSN 4020-01-181-8148 is a Tape,lacing and Tying, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4020, Fiber Rope, Cordage, and Twine. Status: active.
NSN 4020-01-181-8148 has 2 manufacturer part numbers on file: R10299P4 (Lockheed Martin Corporation Div Rotary and Mission Systems), MBBN3414-4N (Airbus Helicopters Deutschland Gmbh - Entwicklung).
3 possible matches (shared part number, not a government interchangeability claim): 4020-01-267-5377, 4020-01-464-4740, 4020-01-701-6534. Verify interchangeability with system specifications before substitution.
Key specifications for R10299P4: Length: 500.000 YARDS NOMINAL; Material Document and Classification: MIL-T-43435, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.049 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN; Breaking Strength: 25.0 POUNDS MINIMUM LBS. 10 specifications are documented in the U.S. Government catalog.
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.