The Mast, cataloged under National Stock Number 5985-00-257-2927, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Spencer Industries Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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 | 5985-00-257-2927 |
| Primary Part Number | AB-86/GRA-4 |
| Item Name | Mast |
| FSC / FSG | 5985 / 59 — No Item Name Available |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| Mounting Method | STAKE |
| Surface Treatment | ENAMEL |
| Maximum Height | 40.854 FEET FT |
| Section Quantity | 16 |
| Mast Construction | SECTIONALIZED |
| Material | ALUMINUM |
| Accessory Components and Quantity | ADAPTER MX-857,1 EA; COUNTERPOISE CP-12,1 EA; GUY ASSY MX-381/GRA-4,4 EA; GUY ASSY MX-382/GRA-4,4 EA; GUY ASSY MX-383/GRA-4,6 EA; GUY PLATE MX-516/GRA-4,5 EA; GUY STAKE ASSY,5 EA; HALYARD MX-384/GRA-4,1 EA; PLATE HOUSING AND CABLE 1 EA; SWIVEL GROUND STAKE AB-154/U WIRE W-128,1 EA |
| Base Diameter | 1.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A9676 | Autodyne Manufacturing Co Inc (USA) |
| AB-86/GRA-4 | Joint Electronics Type Designation System (USA) |
| AB-86/GRA-4 PRIMARY | Spencer Industries Inc (USA) |
| 100B | J and H Smith Mfg Co Inc (USA) |
NSN 5985-00-257-2927 is a Mast, manufactured by Spencer Industries Inc, classified under FSC 5985 (No Item Name Available). Status: active.
NSN 5985-00-257-2927 has 4 cross-referenced part numbers: A9676 (Autodyne Manufacturing Co Inc), AB-86/GRA-4 (Joint Electronics Type Designation System), AB-86/GRA-4 (Spencer Industries Inc), 100B (J and H Smith Mfg Co Inc).
There are 12 known substitutes for 5985-00-257-2927: 4920-00-007-0439, 6635-00-052-6264, 4730-00-084-7436 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AB-86/GRA-4: Mounting Method: STAKE; Surface Treatment: ENAMEL; Maximum Height: 40.854 FEET FT; Section Quantity: 16. 8 total characteristics are documented in the Federal Logistics Information System.