PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73-277Screw,machine

Pitney Bowes Inc. · NSN 5305-00-914-7256 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-914-7256 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-914-7256. Primary manufacturer part number: 73-277.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
  • Thread Class: 2A A
  • Thread Quantity Per Inch: 40
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Fastener Length: 0.125 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.112 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-914-7256, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pitney Bowes Inc.. Government technical data includes 13 verified specifications, 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-914-7256
Primary Part Number73-277
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPitney Bowes Inc.
StatusACTIVE
Head Diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Thread Class2A A
Thread Quantity Per Inch40
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.125 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.112 INCHES IN
Head StylePAN
Head Height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Thread Length0.125 INCHES MINIMUM IN
Screw Surface TreatmentNICKEL
Screw MaterialSTEEL
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2835-00-028-740573277 INTERCHANGEABLE
Cover Assembly,tachometer
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5330-00-057-8722 INTERCHANGEABLE
Packing,preformed
5999-00-071-7757 INTERCHANGEABLE
Contact Assembly,electrical
5330-00-572-382373277 INTERCHANGEABLE
Gasket
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
73-277 PRIMARY Pitney Bowes Inc. (USA)
Related Parts
2835-00-028-7405INTERCHANGEABLE
COVER ASSEMBLY,TACHOMETER
73277
5330-00-057-8722INTERCHANGEABLE
PACKING,PREFORMED
5999-00-071-7757INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
5330-00-572-3823INTERCHANGEABLE
GASKET
73277

Frequently Asked Questions

What is NSN 5305-00-914-7256?

NSN 5305-00-914-7256 is a Screw,machine, manufactured by Pitney Bowes Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-914-7256?

NSN 5305-00-914-7256 has 1 cross-referenced part number: 73-277 (Pitney Bowes Inc.).

What NSN replaces 5305-00-914-7256?

There are 4 known substitutes for 5305-00-914-7256: 2835-00-028-7405, 5330-00-057-8722, 5999-00-071-7757 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73-277?

Key specifications for 73-277: Head Diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Thread Class: 2A A; Thread Quantity Per Inch: 40; Internal Drive Style: CROSS RECESS TYPE 1. 13 total characteristics are documented in the Federal Logistics Information System.

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