The Backshell Kit,aircr, cataloged under National Stock Number 5999-01-504-4702, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Testek Llc Dba Testek Solutions. Government technical data includes 1 specification, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-504-4702 |
| Primary Part Number | 749915-2 |
| Item Name | Backshell Kit,aircr |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Testek Llc Dba Testek Solutions |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | Z |
| Weight | 0.1200 lbs |
| Cube | 0.0031 cu ft |
NSN 5999-01-504-4702 is a Backshell Kit,aircr, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-504-4702 has 2 manufacturer part numbers on file: 90715A125 (Mcmaster-Carr Supply Co), 749915-2 (Testek Llc Dba Testek Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-504-5702. Verify interchangeability with system specifications before substitution.
Key specifications for 749915-2: Criticality Code Justification: AGAV; End Item Identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.