The Washer,spring Tension, cataloged under National Stock Number 5310-00-733-5992, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Illinois Tool Works, Inc. Div Magnaflux. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-733-5992 |
| Primary Part Number | 58A164B93 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Illinois Tool Works, Inc. Div Magnaflux |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 59.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 62.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM |
| Style Designator | SPRING TENSION |
| Material Document and Classification | MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Material Thickness | 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 2 OVERALL |
| Hole Diameter | 0.578 INCHES MINIMUM AND 0.583 INCHES MAXIMUM 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 |
|---|---|
| 58A164B93 | Field and Trek Uk Ltd (GBR) |
| 58A164B93 | E M Procurement (USA) |
| 58A164B93 PRIMARY | Illinois Tool Works, Inc. Div Magnaflux (USA) |
| Reference | Meaning |
|---|---|
| 58A164B93 | 5/1 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 10121634 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 58A164B93 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5310-00-733-5992 is a Washer,spring Tension, manufactured by Illinois Tool Works, Inc. Div Magnaflux, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-733-5992 has 3 manufacturer part numbers on file: 58A164B93 (Field and Trek Uk Ltd), 58A164B93 (E M Procurement), 58A164B93 (Illinois Tool Works, Inc. Div Magnaflux).
Key specifications for 58A164B93: Overall Height: 0.039 INCHES MINIMUM AND 0.049 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 59.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 62.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM; Style Designator: SPRING TENSION. 9 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.