The Handle,bow, cataloged under National Stock Number 5340-01-277-8974, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-277-8974 |
| Primary Part Number | 5598448-1 |
| Item Name | Handle,bow |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Mounting Facility Quantity | 22 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 5.000 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A581 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.250 INCHES IN |
| Handle Clearance | 1.130 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OR STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 5598448-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 8127-5.000-1/4-20-SS-12 | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
| 10510-SS-2520-7 | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 10510-SS-2520-7 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 10510-S5-2520-7 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 5598448-1 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5340-01-277-8974 is a Handle,bow, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-277-8974 has 3 manufacturer part numbers on file: 5598448-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), 8127-5.000-1/4-20-SS-12 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation), 10510-SS-2520-7 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 5598448-1: Mounting Facility Quantity: 22; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Center to Center Distance Between Mounting Facilities Parallel to Length: 5.000 INCHES NOMINAL IN; Material Document and Classification: ASTM A581 ASSN STD 1ST MATERIAL RESPONSE OVERALL. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.