PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1745Screw,machine

Bell and Howell Phillipsburg Co Corporate Offices · NSN 5305-00-639-7971 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-639-7971 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-639-7971. Primary manufacturer part number: 1745.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.312 INCHES NOMINAL IN
  • Screw Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE
  • Thread Quantity Per Inch: 40
  • Thread Class: 3A A
  • Head Height: 0.046 INCHES NOMINAL IN
  • Thread Length: 0.188 INCHES MAXIMUM IN
  • Screw Material: STEEL COMP 1212
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-639-7971, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bell and Howell Phillipsburg Co Corporate Offices. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-639-7971
Primary Part Number1745
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBell and Howell Phillipsburg Co Corporate Offices
StatusACTIVE
Head Diameter0.312 INCHES NOMINAL IN
Screw Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE
Thread Quantity Per Inch40
Thread Class3A A
Head Height0.046 INCHES NOMINAL IN
Thread Length0.188 INCHES MAXIMUM IN
Screw MaterialSTEEL COMP 1212
Nominal Thread Diameter0.125 INCHES IN
Internal Drive StyleCROSS RECESS TYPE 1
Head StyleFILLISTER
Thread DirectionRIGHT-HAND
Features ProvidedCASEHARDENED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-135-55876248 INTERCHANGEABLE
Transformer,power
Coast/advanced Chip Magnetics, Inc.
3110-00-198-2200 INTERCHANGEABLE
Bearing,ball,annular
5905-00-279-5291B12J3K0 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4330-00-624-0213927091 INTERCHANGEABLE
Filter Element,fluid
Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division
5340-00-777-7609 INTERCHANGEABLE
Strap Assembly,hand Carrying
5815-00-975-9733 INTERCHANGEABLE
Cup
5950-01-003-57441745 INTERCHANGEABLE
Transformer,electri
Standard Industries
3120-01-052-115112356025 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
5355-01-065-4790361745 INTERCHANGEABLE
Knob
Measurement Systems Inc
2530-01-096-9241 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Cross-Reference Index
Part NumberManufacturer
1745 Bell and Howell Phillipsburg Co Corporate Offices (USA)
Related Parts
5950-00-135-5587INTERCHANGEABLE
TRANSFORMER,POWER
6248
3110-00-198-2200INTERCHANGEABLE
BEARING,BALL,ANNULAR
5905-00-279-5291INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
B12J3K0
4330-00-624-0213INTERCHANGEABLE
FILTER ELEMENT,FLUID
927091
5340-00-777-7609INTERCHANGEABLE
STRAP ASSEMBLY,HAND CARRYING
5815-00-975-9733INTERCHANGEABLE
CUP
5950-01-003-5744INTERCHANGEABLE
TRANSFORMER,ELECTRI
1745
3120-01-052-1151INTERCHANGEABLE
BEARING,SLEEVE
12356025
5355-01-065-4790INTERCHANGEABLE
KNOB
361745
2530-01-096-9241INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5305-01-416-5427INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1745
3460-01-648-2462INTERCHANGEABLE
COLLET,MACHINE
1745

Frequently Asked Questions

What is NSN 5305-00-639-7971?

NSN 5305-00-639-7971 is a Screw,machine, manufactured by Bell and Howell Phillipsburg Co Corporate Offices, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-639-7971?

NSN 5305-00-639-7971 has 1 cross-referenced part number: 1745 (Bell and Howell Phillipsburg Co Corporate Offices).

What NSN replaces 5305-00-639-7971?

There are 12 known substitutes for 5305-00-639-7971: 5950-00-135-5587, 3110-00-198-2200, 5905-00-279-5291 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1745?

Key specifications for 1745: Head Diameter: 0.312 INCHES NOMINAL IN; Screw Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE; Thread Quantity Per Inch: 40; Thread Class: 3A A. 14 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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