PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST3M455-3L10-1Screw,close Tolerance

Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc · NSN 5305-00-354-4237 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-354-4237 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-354-4237. Primary manufacturer part number: ST3M455-3L10-1.
Features
  • Screw,close Tolerance — FSC 5305
  • Internal Drive Style: HIGH-TORQUE
  • Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
  • Thread Class: 3A A
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Head Style: OVAL COUNTERSUNK
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,close Tolerance, cataloged under National Stock Number 5305-00-354-4237, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 23 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
NSN5305-00-354-4237
Primary Part NumberST3M455-3L10-1
Item NameScrew,close Tolerance
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTwist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc
StatusACTIVE
Internal Drive StyleHIGH-TORQUE
Countersink Angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
Thread DirectionRIGHT-HAND
Thread Length0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
Thread Class3A A
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Head StyleOVAL COUNTERSUNK
Nominal Thread Diameter0.190 INCHES IN
Head Diameter0.297 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
Grip Length0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Fastener Length1.016 INCHES MINIMUM AND 1.046 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Grip Diameter0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-00-190-1162A-41 INTERCHANGEABLE
Reactor
Magnetika Inc
Cross-Reference Index
Part NumberManufacturer
ST3M455-3L10-1 West Coast Aerospace, Inc. (USA)
HT4024L3-10 Sps Technologies Inc (USA)
ST3M455-3L10-1 Heartland Precision Fasteners Inc (USA)
HT4024L3-10 Sps Technologies Ltd, Tj Brooks Division (GBR)
ST3M455-3L10-1 PRIMARY Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA)
11907-3L10-1 Reid Products Inc. Dba Reid Products Inc (USA)
HT4024L3-10 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
HT4024L3-10 Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA)
HT4024L3-10 Sps Technologies, Llc Dba PB Fasteners (USA)
HT4024L3-10 Fairchild Fasteners Europe - Vsd Gmbh (DEU)
HT4024L3-10 Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN)
WC4024L3-10 West Coast Aerospace, Inc. (USA)
ST3M455-3L10-1 Fastener Innovation Technology, Inc. Dba F I T (USA)
HT4024L3-10 Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA)
HT4024L3-10 Hi-Shear Corporation (USA)
HT4024L3-10 Howmet Global Fastening Systems Inc (USA)
ST3M455-3L10-1 Houston Precision Fasteners I Lp (USA)
HT4024L3-10 Huck International, Inc (USA)
HT4024L3-10 Satair A/s (DNK)
ST3M455-3L10-1 Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA)
Related Parts
5950-00-190-1162INTERCHANGEABLE
REACTOR
A-41

Frequently Asked Questions

What is NSN 5305-00-354-4237?

NSN 5305-00-354-4237 is a Screw,close Tolerance, manufactured by Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-354-4237?

NSN 5305-00-354-4237 has 24 cross-referenced part numbers: ST3M455-3L10-1 (West Coast Aerospace, Inc.), HT4024L3-10 (Sps Technologies Inc), ST3M455-3L10-1 (Heartland Precision Fasteners Inc), HT4024L3-10 (Sps Technologies Ltd, Tj Brooks Division), ST3M455-3L10-1 (Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc) and 19 more.

What NSN replaces 5305-00-354-4237?

There is 1 known substitute for 5305-00-354-4237: 5950-00-190-1162. Verify interchangeability with system specifications before substitution.

What are the specifications of ST3M455-3L10-1?

Key specifications for ST3M455-3L10-1: Internal Drive Style: HIGH-TORQUE; Countersink Angle: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM; Thread Direction: RIGHT-HAND; Thread Length: 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM 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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