The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-229-2820, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-229-2820 |
| Primary Part Number | 4676623 ITEM29L1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZX |
| Thread Direction | RIGHT-HAND |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4676623 ITEM29L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 609-4676623 ITEM 29L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 60-16-1127L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 255721 PIECE 86 L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| FF-S-86 | 4/1 Identification reference U.S. Government activity |
| 4676623 ITEM29 | 5/1 Secondary reference U.S. Government activity |
| FF-S-86 TYPV1 | 5/1 Secondary reference U.S. Government activity |
| 60-16-1127 | 5/1 Secondary reference U.S. Government activity |
| FF-S-86L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| FF-S-86 TYPV1 L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 255721 PIECE 86 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 609-4676623 ITEM 29 | 5/1 Secondary reference U.S. Government activity |
NSN 5305-01-229-2820 is a Screw,cap,hexagon Head, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-229-2820 has 4 manufacturer part numbers on file: 4676623 ITEM29L1 (Naval Inventory Control Point Mechanicsburg), 609-4676623 ITEM 29L1 (Naval Inventory Control Point Mechanicsburg), 60-16-1127L1 (Naval Inventory Control Point Mechanicsburg), 255721 PIECE 86 L1 (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-545-5011. Verify interchangeability with system specifications before substitution.
Key specifications for 4676623 ITEM29L1: Criticality Code Justification: ZZZX; Thread Direction: RIGHT-HAND; Departure From Cited Designator: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 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.