The Screw,shoulder, cataloged under National Stock Number 5305-01-552-1811, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Container Research Corp Dba Container Research Corp Div Containr Research Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-552-1811 |
| Primary Part Number | STD-280-1 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Container Research Corp Dba Container Research Corp Div Containr Research Corporation |
| Status | ACTIVE |
| Head Height | 0.750 INCHES NOMINAL IN |
| Shoulder Shape | ROUND BEARING SURFACE OF HEAD |
| Nominal Thread Diameter | 10.000 INCHES IN |
| Head Style | HEXAGON |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| STD-280-1 PRIMARY | Container Research Corp Dba Container Research Corp Div Containr Research Corporation (USA) |
| Reference | Meaning |
|---|---|
| STD-280 | D/9 Drawing number reference only Container Research Corp Dba Container Research Corp Div Containr Research Corporation |
NSN 5305-01-552-1811 is a Screw,shoulder, manufactured by Container Research Corp Dba Container Research Corp Div Containr Research Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-552-1811 has 1 manufacturer part number on file: STD-280-1 (Container Research Corp Dba Container Research Corp Div Containr Research Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-673-6432, 5310-01-673-6454. Verify interchangeability with system specifications before substitution.
Key specifications for STD-280-1: Head Height: 0.750 INCHES NOMINAL IN; Shoulder Shape: ROUND BEARING SURFACE OF HEAD; Nominal Thread Diameter: 10.000 INCHES IN; Head Style: HEXAGON. 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.