PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10049Screw,cap,socket Head

Kleinschmidt Inc · NSN 5305-00-616-3752 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-616-3752 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-616-3752. Primary manufacturer part number: 10049.
Features
  • Screw,cap,socket Head — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2A A
  • Thread Length: 0.250 INCHES NOMINAL IN
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: PHOSPHATE OVERALL
  • Material: STEEL COMP 4037 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4037 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-616-3752, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 16 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
NSN5305-00-616-3752
Primary Part Number10049
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Thread Length0.250 INCHES NOMINAL IN
Fastener Length0.250 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Surface TreatmentPHOSPHATE OVERALL
MaterialSTEEL COMP 4037 OVERALL
Hardness Rating38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Internal Drive StyleHEXAGON
Width Across Flats0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN
Head StyleFLAT CHAMFER
Head Height0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Nominal Thread Diameter0.125 INCHES IN
Head Diameter0.200 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
Thread Quantity Per Inch40
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-115-1522204399N INTERCHANGEABLE
Seal,plain Encased
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
3110-00-156-4869415H INTERCHANGEABLE
Bearing,ball,annular
Oshkosh Defense Llc
5330-00-178-4679 INTERCHANGEABLE
Seal,plain Encased
5136-00-203-6508 INTERCHANGEABLE
Tap,thread Cutting
5133-00-228-1336 INTERCHANGEABLE
Drill,twist
5330-00-285-412910049 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
2920-00-360-458710049 INTERCHANGEABLE
Head,bendix Drive
Mitsubishi Caterpillar Forklift America, Inc
5120-00-826-901810049 INTERCHANGEABLE
Jack,screw,hand
Celtech Corporation Div Use CAGE 65552 for All Orders
5945-01-172-9821SCCLC022XXALXA INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
3020-01-181-856610049 INTERCHANGEABLE
Gear,helical
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
Cross-Reference Index
Part NumberManufacturer
10049 Kleinschmidt Inc (USA)
Related Parts
5330-00-115-1522INTERCHANGEABLE
SEAL,PLAIN ENCASED
204399N
3110-00-156-4869INTERCHANGEABLE
BEARING,BALL,ANNULAR
415H
5330-00-178-4679INTERCHANGEABLE
SEAL,PLAIN ENCASED
5136-00-203-6508INTERCHANGEABLE
TAP,THREAD CUTTING
5133-00-228-1336INTERCHANGEABLE
DRILL,TWIST
5330-00-285-4129INTERCHANGEABLE
SEAL,PLAIN ENCASED
10049
2920-00-360-4587INTERCHANGEABLE
HEAD,BENDIX DRIVE
10049
5120-00-826-9018INTERCHANGEABLE
JACK,SCREW,HAND
10049
5945-01-172-9821INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
SCCLC022XXALXA
3020-01-181-8566INTERCHANGEABLE
GEAR,HELICAL
10049
5110-01-428-5239INTERCHANGEABLE
KNIFE,POCKET
10-049
5999-01-471-4816INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
21-1713-0049

Frequently Asked Questions

What is NSN 5305-00-616-3752?

NSN 5305-00-616-3752 is a Screw,cap,socket Head, manufactured by Kleinschmidt Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-616-3752?

NSN 5305-00-616-3752 has 1 cross-referenced part number: 10049 (Kleinschmidt Inc).

What NSN replaces 5305-00-616-3752?

There are 12 known substitutes for 5305-00-616-3752: 5330-00-115-1522, 3110-00-156-4869, 5330-00-178-4679 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10049?

Key specifications for 10049: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Thread Class: 2A A; Thread Length: 0.250 INCHES NOMINAL IN; Fastener Length: 0.250 INCHES NOMINAL IN. 16 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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