The Tap,thread Cutting, cataloged under National Stock Number 5136-00-935-4531, is classified within Federal Supply Class 5136 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Engineered Fastening Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5136-00-935-4531 |
| Primary Part Number | 3987-5 |
| Item Name | Tap,thread Cutting |
| FSC / FSG | 5136 / 51 — No Item Name Available |
| Manufacturer | Stanley Engineered Fastening Llc |
| Status | ACTIVE |
| Thread Size and Series/type Designator | 0.312-18 UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL OVERALL |
| Thread Structure | REGULAR |
| Flute Quantity | 4 |
| Thread Forming Method | GROUND |
| Starting Chamfer Type | BOTTOMING |
| Width Across Flats | 0.265 INCHES NOMINAL IN |
| Style Designator | STRAIGHT FLUTE |
| Thread Length | 1.438 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.4212 TO 0.4217 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5136-00-935-4531 is a Tap,thread Cutting, manufactured by Stanley Engineered Fastening Llc, classified under FSC 5136 (No Item Name Available). Status: active.
NSN 5136-00-935-4531 has 2 cross-referenced part numbers: 3987-5 (Stanley Engineered Fastening Llc), 3987-5 (The Olander Company, Inc.).
There are 3 known substitutes for 5136-00-935-4531: 5365-00-037-9699, 3010-01-326-8631, 6515-01-467-7871. Verify interchangeability with system specifications before substitution.
Key specifications for 3987-5: Thread Size and Series/type Designator: 0.312-18 UNIFIED NATIONAL COARSE (UNC); Material: STEEL OVERALL; Special Features: TWINSERT; Thread Structure: REGULAR. 13 total characteristics are documented in the Federal Logistics Information System.