The Spacer,sleeve, cataloged under National Stock Number 5365-01-128-6971, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-128-6971 |
| Primary Part Number | 42312C280 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Style Designator | SPLIT, PLAIN, NO OUTSIDE FLANGES |
| Body Inside Diameter | 0.2550 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| 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 |
|---|---|
| 42312C280 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 42312C280 | B-C-D Metal Products, Inc (USA) |
| 42312C280 | Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc (USA) |
| Reference | Meaning |
|---|---|
| 42312C280 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-01-128-6971 is a Spacer,sleeve, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-128-6971 has 3 manufacturer part numbers on file: 42312C280 (Sps Technologies, Llc Dba PB Fasteners), 42312C280 (B-C-D Metal Products, Inc), 42312C280 (Mcmellon Bros., Incorporated Dba Mc Mellon Brothers Inc).
Key specifications for 42312C280: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN; Style Designator: SPLIT, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.7000 INCHES MINIMUM AND 0.7300 INCHES MAXIMUM IN. 6 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.