The Screw,machine, cataloged under National Stock Number 5305-01-320-7316, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Federal Manufacturing Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-320-7316 |
| Primary Part Number | BACB30SZ8-10 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Federal Manufacturing Corp |
| Status | ACTIVE |
| External Thread Tolerance Class | 4H |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 27.75 MILLIMETERS MINIMUM AND 28.25 MILLIMETERS MAXIMUM MM |
| Screw Material Document and Classification | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Pitch in Millimeters | 1.25 |
| Thread Length | 18.0 MILLIMETERS NOMINAL MM |
| Shank Surface Finish | 0.8 MICROMETERS |
| Nominal Thread Diameter | 8.0 MILLIMETERS MM |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | IRON ALLOY 660 |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Series Designator | M |
| Head Diameter | 14.23 MILLIMETERS MINIMUM MM |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| BACB30SZ8-10 PRIMARY | Federal Manufacturing Corp (USA) |
| BACB30SZ8-10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VS 3090-8-10 | 5/2 Secondary reference U.S. Government activity |
| 106922-M8125-10 | 5/9 Secondary reference U.S. Government activity |
| BACB30SZ8-10 | 5/2 Secondary reference U.S. Government activity |
| BACB30SZ8-10 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3090-8-10 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| BACB30SZ8-10 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-320-7316 is a Screw,machine, manufactured by Federal Manufacturing Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-320-7316 has 2 manufacturer part numbers on file: BACB30SZ8-10 (Federal Manufacturing Corp), BACB30SZ8-10 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for BACB30SZ8-10: External Thread Tolerance Class: 4H; Screw Surface Treatment: PASSIVATE; Fastener Length: 27.75 MILLIMETERS MINIMUM AND 28.25 MILLIMETERS MAXIMUM MM; Screw Material Document and Classification: AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5732 ASSN STD SINGLE MATERIAL RESPONSE. 16 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.