The Spacer, cataloged under National Stock Number 5365-01-099-4779, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Astronautics Corporation of America. 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. 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 | 5365-01-099-4779 |
| Primary Part Number | 126238 |
| Item Name | Spacer |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| General Characteristics Item Description | CRES 303 QQ-S-764 COND A; PASSIVATE QQ-P-35; 0.440 IN. LG; 0.188 IN. DIA; 1 HOLE THRU 0.070 IN. DIA; 4-40 UNC-2B 2 HOLES BOTH ENDS IN |
| 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 |
|---|---|
| 126238 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5365-01-099-4779 is a Spacer, manufactured by Astronautics Corporation of America, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-099-4779 has 1 manufacturer part number on file: 126238 (Astronautics Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-438-2571. Verify interchangeability with system specifications before substitution.
Key specifications for 126238: General Characteristics Item Description: CRES 303 QQ-S-764 COND A; PASSIVATE QQ-P-35; 0.440 IN. LG; 0.188 IN. DIA; 1 HOLE THRU 0.070 IN. DIA; 4-40 UNC-2B 2 HOLES BOTH ENDS IN. 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.
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.