The Bolt,machine, cataloged under National Stock Number 5306-00-989-9951, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Ufc Aerospace Europe Limited. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-989-9951 |
| Primary Part Number | A102-4D |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Ufc Aerospace Europe Limited |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| Fastener Length | 0.900 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | DTD904 FSCM K4787 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.500 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.400 INCHES NOMINAL IN |
| Width Between Flats | 0.339 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| A102-4D PRIMARY | Ufc Aerospace Europe Limited (GBR) |
| A102-4D PRIMARY | Bsi Standards Limited (GBR) |
| Reference | Meaning |
|---|---|
| A102-4D | 5/9 Secondary reference British Aerospace (military Aircraft & Aerostructures) |
| 99-9419567 | 6/9 Informative reference only U.S. Government activity |
| A102-4D | C/1 Advisory reference — outside the item-of-supply concept Bae Systems (operations) Limited |
| A102-4D | 5/9 Secondary reference British Aerospace Inc Military Support Div |
NSN 5306-00-989-9951 is a Bolt,machine, manufactured by Ufc Aerospace Europe Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-989-9951 has 2 manufacturer part numbers on file: A102-4D (Ufc Aerospace Europe Limited), A102-4D (Bsi Standards Limited).
Key specifications for A102-4D: Head Height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Fastener Length: 0.900 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN; Surface Treatment Document and Classification: DTD904 FSCM K4787 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.500 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN. 15 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.