The Ring,externally Threaded, cataloged under National Stock Number 5365-01-099-4929, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing Uk Limited. Government technical data includes 18 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5365-01-099-4929 |
| Primary Part Number | 103301604 |
| Item Name | Ring,externally Threaded |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Ontic Engineering & Manufacturing Uk Limited |
| Status | ACTIVE |
| Bore Annular Internal Serration | NOT INCLUDED |
| Beveled Thread | NOT INCLUDED |
| Surface Treatment Document and Classification | EP-1204 94697 MFR REF SINGLE TREATMENT RESPONSE |
| Drive Type | SLOTTED FACE |
| Material Document and Classification | L85, FSCM K0654 MFR REF SINGLE MATERIAL RESPONSE |
| Bore Shape | STRAIGHT |
| Thread Direction | RIGHT-HAND |
| Setscrew Locking Notch | NOT INCLUDED |
| Accommodation Type and Quantity | 4 SLOTS |
| Casehardening Indicator | NOT CASEHARDENED |
| Angle Between Accommodations in Deg | 90.0 |
| Thread Size | 1.900-20 |
| Screw Thread Series Designator | UNS |
| Surface Treatment | ANODIZE |
| Depth | 0.150 INCHES NOMINAL IN |
| Width | 0.375 INCHES NOMINAL IN |
| Bore Diameter | 1.625 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 103301604 | Ontic Engineering & Manufacturing Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| 103301604 | C/1 Advisory reference — outside the item-of-supply concept British Aerospace North America Inc |
| 103301604 | 3/9 Design control — primary reference British Aerospace Inc Military Support Div |
| 103301604 | 5/2 Secondary reference U.S. Government activity |
NSN 5365-01-099-4929 is a Ring,externally Threaded, manufactured by Ontic Engineering & Manufacturing Uk Limited, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-099-4929 has 1 manufacturer part number on file: 103301604 (Ontic Engineering & Manufacturing Uk Limited).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-184-8695. Verify interchangeability with system specifications before substitution.
Key specifications for 103301604: Bore Annular Internal Serration: NOT INCLUDED; Beveled Thread: NOT INCLUDED; Surface Treatment Document and Classification: EP-1204 94697 MFR REF SINGLE TREATMENT RESPONSE; Drive Type: SLOTTED FACE. 18 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.