The Washer,concave, cataloged under National Stock Number 5310-00-107-7402, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 8 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-107-7402 |
| Primary Part Number | SW2000-10W |
| Item Name | Washer,concave |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Radius | 0.340 INCHES NOMINAL IN |
| Heat Treatment | AS FABRICATED |
| Style Designator | CONCAVE |
| Outside Diameter | 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Material Thickness | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.407 INCHES MINIMUM AND 0.427 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 |
|---|---|
| SW2000-10W | Hi-Shear Corporation (USA) |
| ST3M683-5 | Moeller Manufacturing & Supply, Llc (USA) |
| SW2000-10W PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SW2000-10W | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| ST3M683-5 PRIMARY | The Boeing Company Div Defense (USA) |
| ST3M683-5 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| SW2000-10W | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| SW2000-10W | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| 10116556 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| SW2000-10W | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-107-7402 is a Washer,concave, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-107-7402 has 8 manufacturer part numbers on file: SW2000-10W (Hi-Shear Corporation), ST3M683-5 (Moeller Manufacturing & Supply, Llc), SW2000-10W (Sps Technologies, Llc Dba PB Fasteners), SW2000-10W (Fairchild Fasteners Europe - Vsd Gmbh), ST3M683-5 (The Boeing Company Div Defense) and 3 more.
1 possible match (shared part number, not a government interchangeability claim): 5975-00-581-4370. Verify interchangeability with system specifications before substitution.
Key specifications for SW2000-10W: Radius: 0.340 INCHES NOMINAL IN; Heat Treatment: AS FABRICATED; Style Designator: CONCAVE; Outside Diameter: 0.600 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN. 7 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.