PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1K038Screw,machine

Oshkosh Corp · NSN 5305-00-562-3421 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-562-3421 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-562-3421. Primary manufacturer part number: 1K038.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Head Height: 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Head Diameter: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
  • Head Style: ROUND
  • Thread Length: 0.126 INCHES MINIMUM IN
  • Screw Surface Treatment: NICKEL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-562-3421, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Corp. Government technical data includes 13 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-562-3421
Primary Part Number1K038
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerOshkosh Corp
StatusACTIVE
Thread Class2A A
Head Height0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Head Diameter0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN
Head StyleROUND
Thread Length0.126 INCHES MINIMUM IN
Screw Surface TreatmentNICKEL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw MaterialCOPPER ALLOY
Nominal Thread Diameter0.164 INCHES IN
Thread DirectionRIGHT-HAND
Internal Drive StyleCROSS RECESS TYPE 1
Fastener Length0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6625-00-005-6659 INTERCHANGEABLE
Voltmeter
2815-00-338-785214U603PCDB7040 INTERCHANGEABLE
Bracket,rocker Arm Engine Poppet
Naval Ship Systems Command
6625-00-470-8461 INTERCHANGEABLE
Ohmmeter
5935-00-481-5546713517-2 INTERCHANGEABLE
Connector,plug,electrical
Raytheon Company Div Rmd Strategic
5975-00-846-8398 INTERCHANGEABLE
Conduit Outlet
9390-00-995-57271128W40418-35 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
Northrop Grumman Systems Corporation
5330-01-128-1556 INTERCHANGEABLE
Gasket
4910-01-133-1695700-1052 INTERCHANGEABLE
Light,ignition Timing
Balkamp Inc
5998-01-141-1040744451-08 INTERCHANGEABLE
Extractor,electrical Card
Ge Aviation Systems Llc
6625-01-142-1069 INTERCHANGEABLE
Test Set,telephone
Cross-Reference Index
Part NumberManufacturer
1K038 Oshkosh Corp (USA)
1K038 Oshkosh Defense Llc (USA)
7040 Concord Instruments Corp (USA)
Related Parts
6625-00-005-6659INTERCHANGEABLE
VOLTMETER
2815-00-338-7852INTERCHANGEABLE
BRACKET,ROCKER ARM ENGINE POPPET
14U603PCDB7040
6625-00-470-8461INTERCHANGEABLE
OHMMETER
5935-00-481-5546INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
713517-2
5975-00-846-8398INTERCHANGEABLE
CONDUIT OUTLET
9390-00-995-5727INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
1128W40418-35
5330-01-128-1556INTERCHANGEABLE
GASKET
4910-01-133-1695INTERCHANGEABLE
LIGHT,IGNITION TIMING
700-1052
5998-01-141-1040INTERCHANGEABLE
EXTRACTOR,ELECTRICAL CARD
744451-08
6625-01-142-1069INTERCHANGEABLE
TEST SET,TELEPHONE
2530-01-164-2528INTERCHANGEABLE
ROTOR,DISC BRAKE
4037875
4820-01-280-6889INTERCHANGEABLE
BALL,CHECK

Frequently Asked Questions

What is NSN 5305-00-562-3421?

NSN 5305-00-562-3421 is a Screw,machine, manufactured by Oshkosh Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-562-3421?

NSN 5305-00-562-3421 has 3 cross-referenced part numbers: 1K038 (Oshkosh Corp), 1K038 (Oshkosh Defense Llc), 7040 (Concord Instruments Corp).

What NSN replaces 5305-00-562-3421?

There are 12 known substitutes for 5305-00-562-3421: 6625-00-005-6659, 2815-00-338-7852, 6625-00-470-8461 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1K038?

Key specifications for 1K038: Thread Class: 2A A; Head Height: 0.107 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32; Head Diameter: 0.287 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN. 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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