NSN 5310-01-261-1913 SPSW39948, SPS-W-39948, WC3
Product Details | RECESSED WASHER
5310-01-261-1913 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.
Part Alternates: SPSW39948, SPS-W-39948, WC3, 5310-01-261-1913, 01-261-1913, 5310012611913, 012611913
Hardware and Abrasives | Nuts and Washers
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | 10 AUG 1987 | 01-261-1913 | 15933 ( WASHER, RECESSED ) |
Drawings & Photos | NSN 5310-01-261-1913
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Technical Data | NSN 5310-01-261-1913
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 1050 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5085 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY1 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM |
| STYLE DESIGNATOR | 26 RECESSED |
| HOLE DIAMETER | 0.191 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| RECESS DIAMETER | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM |
| MATERIAL THICKNESS | 0.057 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| RECESS ANGLE | 45.0 DEGREES NOMINAL |
Restrictions/Controls & Freight Information | NSN 5310-01-261-1913
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||