The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-464-6136, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-464-6136 |
| Primary Part Number | 451E500-450PC51 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 451E500-450PC51 | Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory (USA) |
| Reference | Meaning |
|---|---|
| 41E500-450PC51 | 5/1 Secondary reference Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory |
| 41E500-450-051 | 3/1 Design control — primary reference Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory |
NSN 5305-00-464-6136 is a Screw,cap,socket Head, manufactured by Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-464-6136 has 1 manufacturer part number on file: 451E500-450PC51 (Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory).
Key specifications for 451E500-450PC51: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 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.