The Cutter,countersink, cataloged under National Stock Number 5133-00-177-7331, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-00-177-7331 |
| Primary Part Number | MIL-H-4081 |
| Item Name | Cutter,countersink |
| FSC / FSG | 5133 / 51 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Thread Series Designator | UNF |
| Features Provided | INTEGRAL PILOT |
| Hardness Rating | 60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM |
| Thread Quantity | 28 PER INCH |
| Pilot Diameter | 0.188 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Departure From Cited Designator | AS MODIFIED BY FLUTE QUANTITY |
| Flute Quantity | 4 |
| Point Diameter | 0.188 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Included Angle | 82.0 DEGREES NOMINAL |
| Body Diameter | 0.438 INCHES NOMINAL IN |
| Cutting End Style | STRAIGHT FLUTE BLUNT END |
| Shank Style | EXTERNALLY THREADED |
| Nondefinitive Spec/std Data | 2 TYPE AND A STYLE AND D SIZE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-H-4081 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SEV15501 | Doall Baltimore Company (USA) |
| 15501 | Severance Tool Industries Inc. (USA) |
| 710-520354 | Doall Baltimore Company (USA) |
| A-A-58076 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A-A-58076 TY2STASZD | General Services Administration Federal Supply Service (USA) |
NSN 5133-00-177-7331 is a Cutter,countersink, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5133 (No Item Name Available). Status: active.
NSN 5133-00-177-7331 has 6 cross-referenced part numbers: MIL-H-4081 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SEV15501 (Doall Baltimore Company), 15501 (Severance Tool Industries Inc.), 710-520354 (Doall Baltimore Company), A-A-58076 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC) and 1 more.
There are 12 known substitutes for 5133-00-177-7331: 2510-00-040-2264, 7520-00-145-0060, 5133-00-177-7335 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-H-4081: Thread Series Designator: UNF; Features Provided: INTEGRAL PILOT; Hardness Rating: 60.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM; Thread Quantity: 28 PER INCH. 16 total characteristics are documented in the Federal Logistics Information System.