The Nut,plain,clinch, cataloged under National Stock Number 5310-01-326-2708, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-326-2708 |
| Primary Part Number | 6317B-SS-2528-7 |
| Item Name | Nut,plain,clinch |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | QQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OR ASTM A2756 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.303 INCHES MINIMUM AND 0.318 INCHES MAXIMUM BOSS IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.294 INCHES MINIMUM AND 0.301 INCHES MAXIMUM BOSS IN |
| Pilot Diameter | 0.353 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Pilot Length | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN |
| Nut Height | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 45.0 DEGREES NOMINAL BOSS |
| Nut Style | CLINCH |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 302 OR STEEL COMP 303 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 |
|---|---|
| 6317B-SS-2528-7 PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 6317BSS2528-7 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 6317B-SS-2528-7 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
NSN 5310-01-326-2708 is a Nut,plain,clinch, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-326-2708 has 1 manufacturer part number on file: 6317B-SS-2528-7 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 6317B-SS-2528-7: Surface Treatment Document and Classification: MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: QQ-S-763,COND A FED SPEC ALL MATERIAL RESPONSES OR ASTM A2756 ASSN STD 1ST MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.303 INCHES MINIMUM AND 0.318 INCHES MAXIMUM BOSS IN. 17 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.