The Spacer,straight, cataloged under National Stock Number 5365-01-718-7128, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Mack Defense Llc Dba Mack Defense Llc. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spacer,straight |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Volvo Group North America Llc Dba Volvo Group North America, Inc (CAGE 5NS11); Mack Defense Llc Dba Mack Defense Llc (CAGE 6B8L4) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-718-7128 |
| Primary Part Number | 23758221 |
| Item Name | Spacer,straight |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Mack Defense Llc Dba Mack Defense Llc |
| 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 |
|---|---|
| 23758221 | Volvo Group North America Llc Dba Volvo Group North America, Inc (USA) |
| 23758221 PRIMARY | Mack Defense Llc Dba Mack Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| WP 1444 R00313-9-2320-459 | D/9 Drawing number reference only Volvo Group North America Llc Dba Volvo Group North America, Inc |
| 23758221 REV 2 | D/9 Drawing number reference only Mack Defense Llc Dba Mack Defense Llc |
| 23758221 REV 2 | D/9 Drawing number reference only Volvo Group North America Llc Dba Volvo Group North America, Inc |
NSN 5365-01-718-7128 is a Spacer,straight, manufactured by Mack Defense Llc Dba Mack Defense Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-718-7128 has 2 manufacturer part numbers on file: 23758221 (Volvo Group North America Llc Dba Volvo Group North America, Inc), 23758221 (Mack Defense Llc Dba Mack Defense Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6150-01-718-8639, 2540-01-718-8678. 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.