PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77902Screw,machine

Telemechanics Inc · NSN 5305-00-530-9577 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-530-9577 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-530-9577. Primary manufacturer part number: 77902.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Fastener Length: 2.375 INCHES NOMINAL IN
  • Thread Class: 3A A
  • Thread Length: 0.375 INCHES MINIMUM IN
  • Thread Series Designator: UNF
  • Screw Material: COPPER ALLOY
  • Head Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-530-9577, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-530-9577
Primary Part Number77902
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Nominal Thread Diameter0.138 INCHES IN
Fastener Length2.375 INCHES NOMINAL IN
Thread Class3A A
Thread Length0.375 INCHES MINIMUM IN
Thread Series DesignatorUNF
Screw MaterialCOPPER ALLOY
Head Diameter0.250 INCHES NOMINAL IN
Head StyleBUTTON
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch40
Head Height0.057 INCHES NOMINAL IN
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6685-00-220-94837790-2 INTERCHANGEABLE
Indicator,humidity,plug
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
6105-00-480-241877902 INTERCHANGEABLE
Armature,motor
Oeco, Llc Dba Pacific Scientific Oeco
2815-01-253-2841D9NN-6049-EA INTERCHANGEABLE
Cylinder Head,diesel Engine
New Holland N.v.nc.
Cross-Reference Index
Part NumberManufacturer
77902 At and T Corp (USA)
77902 Gte Communication Systems Corp (USA)
77902 PRIMARY Telemechanics Inc (USA)
Related Parts
6685-00-220-9483INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
7790-2
6105-00-480-2418INTERCHANGEABLE
ARMATURE,MOTOR
77902
2815-01-253-2841INTERCHANGEABLE
CYLINDER HEAD,DIESEL ENGINE
D9NN-6049-EA

Frequently Asked Questions

What is NSN 5305-00-530-9577?

NSN 5305-00-530-9577 is a Screw,machine, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-530-9577?

NSN 5305-00-530-9577 has 3 cross-referenced part numbers: 77902 (At and T Corp), 77902 (Gte Communication Systems Corp), 77902 (Telemechanics Inc).

What NSN replaces 5305-00-530-9577?

There are 3 known substitutes for 5305-00-530-9577: 6685-00-220-9483, 6105-00-480-2418, 2815-01-253-2841. Verify interchangeability with system specifications before substitution.

What are the specifications of 77902?

Key specifications for 77902: Nominal Thread Diameter: 0.138 INCHES IN; Fastener Length: 2.375 INCHES NOMINAL IN; Thread Class: 3A A; Thread Length: 0.375 INCHES MINIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-530-9577 still in active supply?

NSN 5305-00-530-9577 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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