PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1297Screw,machine

Lucent Technologies Inc Corporate Headquarters · NSN 5305-00-638-9900 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-638-9900 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-638-9900. Primary manufacturer part number: 1297.
Features
  • Screw,machine — FSC 5305
  • Fastener Length: 2.438 INCHES NOMINAL IN
  • Screw Material: STEEL CORROSION RESISTING
  • Thread Series Designator: UNF
  • Thread Class: 3A A
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Thread Quantity Per Inch: 40
  • Head Height: 0.156 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-638-9900, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lucent Technologies Inc Corporate Headquarters. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-638-9900
Primary Part Number1297
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLucent Technologies Inc Corporate Headquarters
StatusCANCELLED
Fastener Length2.438 INCHES NOMINAL IN
Screw MaterialSTEEL CORROSION RESISTING
Thread Series DesignatorUNF
Thread Class3A A
Nominal Thread Diameter0.138 INCHES IN
Thread Quantity Per Inch40
Head Height0.156 INCHES NOMINAL IN
Head Diameter0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Thread Length0.375 INCHES MINIMUM IN
Screw Surface TreatmentPASSIVATE
Head StyleFLAT CHAMFER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5330-00-019-54641297 INTERCHANGEABLE
Seal,lead
Aerosonic Llc
3110-00-100-369907098 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5930-00-232-15161297 INTERCHANGEABLE
Switch,toggle
Entron Industries Limited Partnership Dba Entron Industries Property Div
5995-00-374-9598XH-3689 INTERCHANGEABLE
Cable Assembly,spec
Heale Manufacturing Co Llc
5977-00-417-51276726234 INTERCHANGEABLE
Brush,electrical Contact
Cummins Inc.
5935-00-492-23851297 INTERCHANGEABLE
Adapter,connector
Fluke Electronics Corp
5360-00-527-07971297 INTERCHANGEABLE
Spring,helical,compression
Goodrich Corporation
5999-00-776-97441297 INTERCHANGEABLE
Clip,electrical
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5915-00-987-7165103425 INTERCHANGEABLE
Filter,radio Frequency Interfere
Air Systems Components Inc Dba Air System Components Inc Div Trion Iaq Div
5998-01-015-41651219P34 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
1297 Zf Industrieantriebe Witten Gmbh (DEU)
1297 At and T Corp (USA)
1297 Telemechanics Inc (USA)
1297 PRIMARY Lucent Technologies Inc Corporate Headquarters (USA)
1297 Lucent Technologies Inc Dba Federal Marketing Group (USA)
Related Parts
5330-00-019-5464INTERCHANGEABLE
SEAL,LEAD
1297
3110-00-100-3699INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
07098
5930-00-232-1516INTERCHANGEABLE
SWITCH,TOGGLE
1297
5995-00-374-9598INTERCHANGEABLE
CABLE ASSEMBLY,SPEC
XH-3689
5977-00-417-5127INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
6726234
5935-00-492-2385INTERCHANGEABLE
ADAPTER,CONNECTOR
1297
5360-00-527-0797INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1297
5999-00-776-9744INTERCHANGEABLE
CLIP,ELECTRICAL
1297
5915-00-987-7165INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
103425
5998-01-015-4165INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1219P34
5330-01-025-7800INTERCHANGEABLE
GASKET
1297
4330-01-134-3472INTERCHANGEABLE
FILTER ELEMENT,FLUID
16011911

Frequently Asked Questions

What is NSN 5305-00-638-9900?

NSN 5305-00-638-9900 is a Screw,machine, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-638-9900?

NSN 5305-00-638-9900 has 5 cross-referenced part numbers: 1297 (Zf Industrieantriebe Witten Gmbh), 1297 (At and T Corp), 1297 (Telemechanics Inc), 1297 (Lucent Technologies Inc Corporate Headquarters), 1297 (Lucent Technologies Inc Dba Federal Marketing Group).

What NSN replaces 5305-00-638-9900?

There are 12 known substitutes for 5305-00-638-9900: 5330-00-019-5464, 3110-00-100-3699, 5930-00-232-1516 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1297?

Key specifications for 1297: Fastener Length: 2.438 INCHES NOMINAL IN; Screw Material: STEEL CORROSION RESISTING; Thread Series Designator: UNF; Thread Class: 3A A. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-638-9900 still in active supply?

NSN 5305-00-638-9900 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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