PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1272Screw,machine

Lucent Technologies Inc Dba Federal Marketing Group · NSN 5305-00-448-3646 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-448-3646 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-448-3646. Primary manufacturer part number: 1272.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Screw Material: STEEL
  • Thread Quantity Per Inch: 40
  • Head Style: PAN NO. 2
  • Thread Length: 0.688 INCHES NOMINAL IN
  • Head Diameter: 0.219 INCHES NOMINAL IN
  • Fastener Length: 0.688 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-448-3646, 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 Dba Federal Marketing Group. Government technical data includes 12 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: Active.

Technical Specifications
ParameterValue
NSN5305-00-448-3646
Primary Part Number1272
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLucent Technologies Inc Dba Federal Marketing Group
StatusACTIVE
Thread Class2A A
Screw MaterialSTEEL
Thread Quantity Per Inch40
Head StylePAN NO. 2
Thread Length0.688 INCHES NOMINAL IN
Head Diameter0.219 INCHES NOMINAL IN
Fastener Length0.688 INCHES NOMINAL IN
Internal Drive StyleSLOT
Head Height0.071 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-166-4794 INTERCHANGEABLE
Bearing,sleeve
5120-00-203-47941272 INTERCHANGEABLE
Wrench,open End
Martin Sprocket and Gear Inc
6250-00-224-62658192264 INTERCHANGEABLE
Lampholder
Us Army Aviation and Missile Command
5975-00-240-2634115 INTERCHANGEABLE
Bushing,electrical Conduit
Abb Installation Products Inc
5310-00-291-68912234 INTERCHANGEABLE
Washer,flat
Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex
4310-00-491-00941272 INTERCHANGEABLE
Washer-Head Bolt
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5340-00-616-50689619 INTERCHANGEABLE
Caster,swivel
Albion Industries, Inc.
6645-00-719-90631272 INTERCHANGEABLE
Winder,mainspring
The Chelsea Clock Llc
5841-00-761-4084 INTERCHANGEABLE
Indicator,height
1615-00-909-75721272 INTERCHANGEABLE
Plate,thrust
Doral, Inc Dba J & F Engineering
Cross-Reference Index
Part NumberManufacturer
1272 Lucent Technologies Inc Dba Federal Marketing Group (USA)
1272 At and T Corp (USA)
1272 Lucent Technologies Inc Corporate Headquarters (USA)
1272 Telemechanics Inc (USA)
1272 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
3120-00-166-4794INTERCHANGEABLE
BEARING,SLEEVE
5120-00-203-4794INTERCHANGEABLE
WRENCH,OPEN END
1272
6250-00-224-6265INTERCHANGEABLE
LAMPHOLDER
8192264
5975-00-240-2634INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
115
5310-00-291-6891INTERCHANGEABLE
WASHER,FLAT
2234
4310-00-491-0094INTERCHANGEABLE
WASHER-HEAD BOLT
1272
5340-00-616-5068INTERCHANGEABLE
CASTER,SWIVEL
9619
6645-00-719-9063INTERCHANGEABLE
WINDER,MAINSPRING
1272
5841-00-761-4084INTERCHANGEABLE
INDICATOR,HEIGHT
1615-00-909-7572INTERCHANGEABLE
PLATE,THRUST
1272
5325-00-960-8285INTERCHANGEABLE
EYELET,METALLIC
10630000-25
5950-01-045-8722INTERCHANGEABLE
TRANSFORMER,PULSE
806238

Frequently Asked Questions

What is NSN 5305-00-448-3646?

NSN 5305-00-448-3646 is a Screw,machine, manufactured by Lucent Technologies Inc Dba Federal Marketing Group, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-448-3646?

NSN 5305-00-448-3646 has 5 cross-referenced part numbers: 1272 (Lucent Technologies Inc Dba Federal Marketing Group), 1272 (At and T Corp), 1272 (Lucent Technologies Inc Corporate Headquarters), 1272 (Telemechanics Inc), 1272 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5305-00-448-3646?

There are 12 known substitutes for 5305-00-448-3646: 3120-00-166-4794, 5120-00-203-4794, 6250-00-224-6265 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1272?

Key specifications for 1272: Thread Class: 2A A; Screw Material: STEEL; Thread Quantity Per Inch: 40; Head Style: PAN NO. 2. 12 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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