The Washer,key, cataloged under National Stock Number 5310-00-360-8170, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Borg-Warner Corp. 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-360-8170 |
| Primary Part Number | T84B30A |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Borg-Warner Corp |
| Status | ACTIVE |
| Distance From Centerline to Top of Internal Key | 0.383 INCHES NOMINAL IN |
| Distance From Centerline to Inside of Prebent Key | 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN |
| External Prebent Key Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN |
| Material Thickness | 0.301 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN |
| External Key Quantity | 1 |
| External Prebent Key Width | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.630 INCHES MINIMUM AND 0.650 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 |
|---|---|
| T84B30A PRIMARY | Borg-Warner Corp (USA) |
| 635812 PRIMARY | Am General Llc (USA) |
| T84B30A PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| R20722 | 5/9 Secondary reference U.S. Government activity |
| GPW7119 | 5/9 Secondary reference Ford Motor Company |
| GPW7119 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 194264 | 5/9 Secondary reference Sasco Inc Canadian Div |
| 19424 | 5/9 Secondary reference Sasco Inc Canadian Div |
| SW108 | 5/9 Secondary reference Gould Inc Foil Div |
| T84B30A | 5/9 Secondary reference Liberty Ventures Inti, Llc |
NSN 5310-00-360-8170 is a Washer,key, manufactured by Borg-Warner Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-360-8170 has 3 manufacturer part numbers on file: T84B30A (Borg-Warner Corp), 635812 (Am General Llc), T84B30A (Am General Llc).
5 possible matches (shared part number, not a government interchangeability claim): 4720-00-444-9923, 5930-00-548-7925, 5325-01-029-0008. Verify interchangeability with system specifications before substitution.
Key specifications for T84B30A: Distance From Centerline to Top of Internal Key: 0.383 INCHES NOMINAL IN; Distance From Centerline to Inside of Prebent Key: 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN; External Prebent Key Length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN. 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.