The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-00-199-3746, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-199-3746 |
| Primary Part Number | H29605-4 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Washer Thickness | 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1035 OVERALL |
| Washer Outside Diameter | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Class | 3B |
| Width Across Flats | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Countersink Angle | 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT |
| Material Document and Classification | AMS 5080 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | DOUBLE HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 649734 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| H29605-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| B00106-4 | Bristol Industries, Llc (USA) |
| ST1178-10 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| H29605-4 | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
NSN 5310-00-199-3746 is a Nut,self-Locking,extended Washer, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-199-3746 has 5 cross-referenced part numbers: 649734 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), H29605-4 (Howmet Global Fastening Systems Inc), B00106-4 (Bristol Industries, Llc), ST1178-10 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), H29605-4 (Howmet Global Fastening Systems Inc. Div Microdot Products).
There are 2 known substitutes for 5310-00-199-3746: 5310-00-903-2169, 6750-01-358-0092. Verify interchangeability with system specifications before substitution.
Key specifications for H29605-4: Washer Thickness: 0.020 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN; Overall Height: 0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Locking Feature: PREVAILING TORQUE ALL METAL DESIGN; Nominal Thread Size: 0.250 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.