The Setscrew, cataloged under National Stock Number 5305-01-504-5293, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Carver Pump Company. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-504-5293 |
| Primary Part Number | 999-4213-E-11-667 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 999-4213-E-11-667 PRIMARY | Carver Pump Company (USA) |
| 864-10-02-921 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-4213-B-05-6 67 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 999-4213-E-11 | D/9 Drawing number reference only Carver Pump Company |
NSN 5305-01-504-5293 is a Setscrew, manufactured by Carver Pump Company, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-504-5293 has 2 manufacturer part numbers on file: 999-4213-E-11-667 (Carver Pump Company), 864-10-02-921 (Carver Pump Company).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-505-0505. Verify interchangeability with system specifications before substitution.
Key specifications for 999-4213-E-11-667: Fastener Length: 0.250 INCHES NOMINAL IN; Material Document and Classification: ASTM A193 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.190 INCHES IN; Head Style: HEADLESS (SETSCREW). 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.