PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HT4049-5-7YScrew,shoulder

Hi-Shear Corporation · NSN 5305-01-142-7196 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-142-7196 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-142-7196. Primary manufacturer part number: HT4049-5-7Y.
Features
  • Screw,shoulder — FSC 5305
  • Shoulder Shape: ROUND FIRST SHOULDER
  • Material: STEEL COMP XM-13 OVERALL
  • Shoulder Length: 0.308 INCHES MINIMUM AND 0.328 INCHES MAXIMUM FIRST SHOULDER IN
  • Thread Class: 3A A
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Shoulder Diameter: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp Xm-13 Overall construction
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-142-7196, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hi-Shear Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-142-7196
Primary Part NumberHT4049-5-7Y
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerHi-Shear Corporation
StatusACTIVE
Shoulder ShapeROUND FIRST SHOULDER
MaterialSTEEL COMP XM-13 OVERALL
Shoulder Length0.308 INCHES MINIMUM AND 0.328 INCHES MAXIMUM FIRST SHOULDER IN
Thread Class3A A
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentPASSIVATE OVERALL
Shoulder Diameter0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
Thread Length0.350 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
Fastener Length0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Diameter0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Material Document and ClassificationAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Thread Quantity Per Inch24
Internal Drive StyleHIGH-TORQUE
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Nominal Thread Diameter0.312 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-01-547-7169119-0157 INTERCHANGEABLE
Pin,straight,headless
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
HT4049-5-7Y Huck International, Inc (USA)
HT4049-5-7Y PRIMARY Hi-Shear Corporation (USA)
HT4049-5-7Y Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
HT4049-5-7Y Howmet Global Fastening Systems Inc (USA)
3M959-5-7 The Boeing Company Div Defense (USA)
HT4049-5-7Y PRIMARY Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN)
ST3M959-5-7 The Boeing Company Div Defense (USA)
HT4049-5-7Y Huck Intl Inc (USA)
HT4049-5-7Y PRIMARY Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
11901-5-7 Reid Products Inc. Dba Reid Products Inc (USA)
Related Parts
5315-01-547-7169INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
119-0157

Frequently Asked Questions

What is NSN 5305-01-142-7196?

NSN 5305-01-142-7196 is a Screw,shoulder, manufactured by Hi-Shear Corporation, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-142-7196?

NSN 5305-01-142-7196 has 10 cross-referenced part numbers: HT4049-5-7Y (Huck International, Inc), HT4049-5-7Y (Hi-Shear Corporation), HT4049-5-7Y (Howmet Global Fastening Systems Inc Div Torrance Operations), HT4049-5-7Y (Howmet Global Fastening Systems Inc), 3M959-5-7 (The Boeing Company Div Defense) and 5 more.

What NSN replaces 5305-01-142-7196?

There is 1 known substitute for 5305-01-142-7196: 5315-01-547-7169. Verify interchangeability with system specifications before substitution.

What are the specifications of HT4049-5-7Y?

Key specifications for HT4049-5-7Y: Shoulder Shape: ROUND FIRST SHOULDER; Material: STEEL COMP XM-13 OVERALL; Shoulder Length: 0.308 INCHES MINIMUM AND 0.328 INCHES MAXIMUM FIRST SHOULDER IN; Thread Class: 3A A. 18 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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