The Washer,spring Tension, cataloged under National Stock Number 5310-01-151-4138, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Reliance Electric Company Dba Reliance & Dodge Brands. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-151-4138 |
| Primary Part Number | 400638-1-F |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Reliance Electric Company Dba Reliance & Dodge Brands |
| Status | ACTIVE |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | SAE ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-16113 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.519 INCHES NOMINAL IN |
| Material Thickness | 0.038 INCHES MAXIMUM IN |
| Material | STEEL COMP 1075 OR STEEL OVERALL |
| Hole Diameter | 2.740 INCHES NOMINAL 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 |
|---|---|
| 400638-1-F PRIMARY | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| 400638001F PRIMARY | Abb Motors & Mechanical Inc (USA) |
| 400638001F | Reliance Electric Company Dba Reliance & Dodge Brands (USA) |
| Reference | Meaning |
|---|---|
| 801629-504 PC NO 44A | C/1 Advisory reference — outside the item-of-supply concept Reliance Electric Company Dba Reliance & Dodge Brands |
| 400638-1-F | 5/9 Secondary reference Reliance Electric |
| 87230 PIECE 68 | 5/9 Secondary reference Reliance Electric |
| 87230 PC 68 | 5/9 Secondary reference Reliance Electric Company Dba Reliance & Dodge Brands |
NSN 5310-01-151-4138 is a Washer,spring Tension, manufactured by Reliance Electric Company Dba Reliance & Dodge Brands, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-151-4138 has 3 manufacturer part numbers on file: 400638-1-F (Reliance Electric Company Dba Reliance & Dodge Brands), 400638001F (Abb Motors & Mechanical Inc), 400638001F (Reliance Electric Company Dba Reliance & Dodge Brands).
Key specifications for 400638-1-F: Overall Height: 0.265 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM; Material Document and Classification: SAE ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-16113 MIL SPEC 2ND MATERIAL RESPONSE OVERALL; Outside Diameter: 3.519 INCHES NOMINAL IN. 6 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.