The Straight Fitting,ai, cataloged under National Stock Number 5340-01-487-6128, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share 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 | 5340-01-487-6128 |
| Primary Part Number | 6400-12-12 |
| Item Name | Straight Fitting,ai |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| 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) |
| Criticality Code | Y |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 6400-12-12 PRIMARY | Testek Llc Dba Testek Solutions (USA) |
NSN 5340-01-487-6128 is a Straight Fitting,ai, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-487-6128 has 1 manufacturer part number on file: 6400-12-12 (Testek Llc Dba Testek Solutions).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-498-6115, 4730-01-644-1428. Verify interchangeability with system specifications before substitution.
Key specifications for 6400-12-12: Criticality Code Justification: AGAV; Special Features: NEXT HIGHER ASSY IS NSN 4920-01-464-2615; TEST STAND, AIRCRAFT GENERATOR; Part Name Assigned by Controlling Agency: INAVY: STRAIGHT FITTING, AI; 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.