The Key,machine, cataloged under National Stock Number 5315-01-259-4553, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-01-259-4553 |
| Primary Part Number | 3-16SQX2.1-16 |
| Item Name | Key,machine |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 3-16SQX2.1-16 PRIMARY | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| Reference | Meaning |
|---|---|
| 3-16SQX2-1-16 | C/1 Advisory reference — outside the item-of-supply concept Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| 01-515-0007-4 ITEM 96 | C/1 Advisory reference — outside the item-of-supply concept Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
| 01-515-0007-4-9 6 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 3-16 X 33 | C/1 Advisory reference — outside the item-of-supply concept Flowserve Corp Dba Automax Actuators Div Flowserve Us Company |
NSN 5315-01-259-4553 is a Key,machine, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-259-4553 has 1 manufacturer part number on file: 3-16SQX2.1-16 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-268-5513. Verify interchangeability with system specifications before substitution.
Key specifications for 3-16SQX2.1-16: Overall Height: 0.188 INCHES NOMINAL IN; Overall Length: 2.062 INCHES NOMINAL IN; Overall Width: 0.188 INCHES NOMINAL IN; Special Features: DIMENSIONAL CHARACTERISTICS PER PART NUMBER. 0 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.