The Lead Screw Detail, cataloged under National Stock Number 5305-01-286-6504, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-286-6504 |
| Item Name | Lead Screw Detail |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| General Characteristics Item Description | HEAD DIA.185"+.000"-.001"SLOT.040X.10DEEP.03X45DEGREES,1ST.SHOULDER.216IN.DIA X.53 IN.LENGTH W/.250-40 UNS-2ATHREAD,2ND SHOULDER.216"DIA X .050"LG,3RD SHOULDER .375" DIA X.060"LONG,4TH.SHOULDER .2502" +.0000"-.0005"DIAMETERX .196"PLUS OR MINUS.002",5TH SHOULDER.216"DIA X .050" LONG,FINAL SHOULDER .185"DIA(.190-32 UNF-2A)THREAD,OVERALL LENGTH 1.40" A |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER 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 | C |
| Reference | Meaning |
|---|---|
| 5990C43ITEM1 | 5/1 Secondary reference U.S. Government activity |
| 981B202ITEM1 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-286-6504 is a Lead Screw Detail, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-286-6504: General Characteristics Item Description: HEAD DIA.185"+.000"-.001"SLOT.040X.10DEEP.03X45DEGREES,1ST.SHOULDER.216IN.DIA X.53 IN.LENGTH W/.250-40 UNS-2ATHREAD,2ND SHOULDER.216"DIA X .050"LG,3RD SHOULDER .375" DIA X.060"LONG,4TH.SHOULDER .2502" +.0000"-.0005"DIAMETERX .196"PLUS OR MINUS.002",5TH SHOULDER.216"DIA X .050" LONG,FINAL SHOULDER .185"DIA(.190-32 UNF-2A)THREAD,OVERALL LENGTH 1.40" A; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 3 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.