PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1275-258Coupler,directional

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5985-01-083-5006 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-083-5006 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-083-5006. Primary manufacturer part number: 1275-258.
Features
  • Coupler,directional — FSC 5985
  • Overall Diameter: 0.400 INCHES MAXIMUM IN
  • Power Loss in Decibels: 10.0
  • Radio Frequency Rating: 5.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM
  • Design Type: BIDIRECTIONAL
  • 4 verified cross-references
  • Primary manufacturer: Bae Systems Information and Electronic Systems Integration Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-083-5006, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 4 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-083-5006
Primary Part Number1275-258
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Overall Diameter0.400 INCHES MAXIMUM IN
Power Loss in Decibels10.0
Radio Frequency Rating5.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM
Design TypeBIDIRECTIONAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5920-00-146-50713321-25 INTERCHANGEABLE
Fuse,cartridge
Littelfuse, Inc.
5940-00-204-50767069367 INTERCHANGEABLE
Terminal,lug
U S Army Tank Automotive Command Amsta-Im-Mm
5325-00-281-67163DC11-4 INTERCHANGEABLE
Ring,retaining
Fwd Seagrave Holdings Lp
3455-00-541-619713550 INTERCHANGEABLE
Cutter,milling,convex
Niagara Cutter Inc
5360-00-598-87341619359 INTERCHANGEABLE
Spring,helical,compression
Westinghouse Electric Corp
7310-00-985-1406 INTERCHANGEABLE
Pan,electric Frying
6515-01-224-9063 INTERCHANGEABLE
Surgical Pack,disposable
3040-01-328-7175C114 INTERCHANGEABLE
Clamp,hub
Designatronics Incorporated Div Sterling Instruments Div
Cross-Reference Index
Part NumberManufacturer
43319-005-00-5 British Aerospace Defence Systems Ltd T/a Bae Systems (GBR)
C-114 Merrimac Industries, Inc (USA)
1275-258 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
91473096 Thales Sa (FRA)
Related Parts
5920-00-146-5071INTERCHANGEABLE
FUSE,CARTRIDGE
3321-25
5940-00-204-5076INTERCHANGEABLE
TERMINAL,LUG
7069367
5325-00-281-6716INTERCHANGEABLE
RING,RETAINING
3DC11-4
3455-00-541-6197INTERCHANGEABLE
CUTTER,MILLING,CONVEX
13550
5360-00-598-8734INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1619359
7310-00-985-1406INTERCHANGEABLE
PAN,ELECTRIC FRYING
6515-01-224-9063INTERCHANGEABLE
SURGICAL PACK,DISPOSABLE
3040-01-328-7175INTERCHANGEABLE
CLAMP,HUB
C114

Frequently Asked Questions

What is NSN 5985-01-083-5006?

NSN 5985-01-083-5006 is a Coupler,directional, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-083-5006?

NSN 5985-01-083-5006 has 4 cross-referenced part numbers: 43319-005-00-5 (British Aerospace Defence Systems Ltd T/a Bae Systems), C-114 (Merrimac Industries, Inc), 1275-258 (Bae Systems Information and Electronic Systems Integration Inc.), 91473096 (Thales Sa).

What NSN replaces 5985-01-083-5006?

There are 8 known substitutes for 5985-01-083-5006: 5920-00-146-5071, 5940-00-204-5076, 5325-00-281-6716 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1275-258?

Key specifications for 1275-258: Overall Diameter: 0.400 INCHES MAXIMUM IN; Overall Length: 0.300 INCHES MAXIMUM IN; Power Loss in Decibels: 10.0; Radio Frequency Rating: 5.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM. 5 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