PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15178Adapter,mast

Dayton-Granger, Inc. · NSN 5985-01-064-8940 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-064-8940 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-064-8940. Primary manufacturer part number: 15178.
Features
  • Adapter,mast — FSC 5985
  • Supplementary Features: STAINLESS STEEL 302 OR 303,MIL-S-7720 COND B; 0.4375 IN. OD; 0.250 IN. MIN TO 0.253 IN. MAX ID; 0.340 IN. WH; 7/16-20 UNF-2A THD A
  • 1 verified cross-reference
  • Primary manufacturer: Dayton-Granger, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Adapter,mast, cataloged under National Stock Number 5985-01-064-8940, 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 Dayton-Granger, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-064-8940
Primary Part Number15178
Item NameAdapter,mast
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerDayton-Granger, Inc.
StatusACTIVE
Supplementary FeaturesSTAINLESS STEEL 302 OR 303,MIL-S-7720 COND B; 0.4375 IN. OD; 0.250 IN. MIN TO 0.253 IN. MAX ID; 0.340 IN. WH; 7/16-20 UNF-2A THD A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5360-00-237-2115271722PC2 INTERCHANGEABLE
Spring,helical,compression
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-253-874715-178 INTERCHANGEABLE
Gasket
Truck-Lite Co., Llc
5930-00-849-24659978370 INTERCHANGEABLE
Switch,pressure
Us Army Aviation and Missile Command
6520-01-180-324915178 INTERCHANGEABLE
File,pulp Canal,dental
Kerr Corporation
5310-01-309-940915178 INTERCHANGEABLE
Washer,flat
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
5120-01-513-9143 INTERCHANGEABLE
Inserter and Remover,electrical
Cross-Reference Index
Part NumberManufacturer
15178 PRIMARY Dayton-Granger, Inc. (USA)
Related Parts
5360-00-237-2115INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
271722PC2
5330-00-253-8747INTERCHANGEABLE
GASKET
15-178
5930-00-849-2465INTERCHANGEABLE
SWITCH,PRESSURE
9978370
6520-01-180-3249INTERCHANGEABLE
FILE,PULP CANAL,DENTAL
15178
5310-01-309-9409INTERCHANGEABLE
WASHER,FLAT
15178
5120-01-513-9143INTERCHANGEABLE
INSERTER AND REMOVER,ELECTRICAL

Frequently Asked Questions

What is NSN 5985-01-064-8940?

NSN 5985-01-064-8940 is a Adapter,mast, manufactured by Dayton-Granger, Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-064-8940?

NSN 5985-01-064-8940 has 1 cross-referenced part number: 15178 (Dayton-Granger, Inc.).

What NSN replaces 5985-01-064-8940?

There are 6 known substitutes for 5985-01-064-8940: 5360-00-237-2115, 5330-00-253-8747, 5930-00-849-2465 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15178?

Key specifications for 15178: Part Name Assigned by Controlling Agency: HOLDER,CHUCK JAW ASSEMBLY;5985-01-050-5123; Supplementary Features: STAINLESS STEEL 302 OR 303,MIL-S-7720 COND B; 0.4375 IN. OD; 0.250 IN. MIN TO 0.253 IN. MAX ID; 0.340 IN. WH; 7/16-20 UNF-2A THD A; Special Features: USED ON AIRCRAFT ANTENNA ASSEMBLYS ONLY. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com