The Washer,key, cataloged under National Stock Number 5310-00-672-6201, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-672-6201 |
| Primary Part Number | 16332A |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S |
| Status | ACTIVE |
| Second Key Width | 0.344 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.076 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-A-561 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Key Width | 0.156 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| Distance From Centerline to End of Key | 0.388 INCHES NOMINAL IN |
| Hole Diameter | 0.250 INCHES MINIMUM AND 0.260 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 |
|---|---|
| 16332A PRIMARY | Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA) |
NSN 5310-00-672-6201 is a Washer,key, manufactured by Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-672-6201 has 1 manufacturer part number on file: 16332A (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S).
Key specifications for 16332A: Second Key Width: 0.344 INCHES NOMINAL IN; Overall Distance Including Keys: 1.076 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: QQ-A-561 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.