The Fitting,inner Tow Boom, cataloged under National Stock Number 1730-01-252-4677, is classified within Federal Supply Class 1730 (Aircraft Ground Servicing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is Double-B-Machine Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1730-01-252-4677 |
| Primary Part Number | 65407-05031-105 |
| Item Name | Fitting,inner Tow Boom |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | Double-B-Machine Corp |
| Status | ACTIVE |
| General Characteristics Item Description | IRREGULAR FORKED SHAPE WITH FOUR HOLES OF VARIOUS SIZES; LEFT HAND APPLICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 65407-05031-105 PRIMARY | Double-B-Machine Corp (USA) |
| Reference | Meaning |
|---|---|
| 65407-05031 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| 65407-05031-105 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 1730-01-252-4677 is a Fitting,inner Tow Boom, manufactured by Double-B-Machine Corp, classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-01-252-4677 has 1 manufacturer part number on file: 65407-05031-105 (Double-B-Machine Corp).
1 possible match (shared part number, not a government interchangeability claim): 1730-01-252-4678. Verify interchangeability with system specifications before substitution.
Key specifications for 65407-05031-105: General Characteristics Item Description: IRREGULAR FORKED SHAPE WITH FOUR HOLES OF VARIOUS SIZES; LEFT HAND APPLICATION. 1 specification is 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.
NSN 1730-01-252-4677 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.