PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

149-512Screw,machine

Armatron Intl Inc · NSN 5305-00-322-4497 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-322-4497 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-322-4497. Primary manufacturer part number: 149-512.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Head Style: FLAT CHAMFER
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 0.578 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
  • Internal Drive Style: SLOT
  • Head Height: 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-322-4497, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Armatron Intl Inc. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-322-4497
Primary Part Number149-512
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerArmatron Intl Inc
StatusACTIVE
Head Diameter0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
Nominal Thread Diameter0.138 INCHES IN
Head StyleFLAT CHAMFER
Thread DirectionRIGHT-HAND
Fastener Length0.578 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Head Height0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Thread Length0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Screw MaterialSTEEL COMP 303
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6240-00-836-207927035 INTERCHANGEABLE
Lamp,incandescent
Ktm 2 Llc Dba Arrow Safety Device Company
Cross-Reference Index
Part NumberManufacturer
149-512 PRIMARY Armatron Intl Inc (USA)
SCB16438 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
TS170 Telectro Systems Corp
CA143B16438 Noseco Inc
CA143B16438 Carol Electronics Div of Watson Electronics and Engineering Co Inc (USA)
Related Parts
6240-00-836-2079INTERCHANGEABLE
LAMP,INCANDESCENT
27035

Frequently Asked Questions

What is NSN 5305-00-322-4497?

NSN 5305-00-322-4497 is a Screw,machine, manufactured by Armatron Intl Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-322-4497?

NSN 5305-00-322-4497 has 5 cross-referenced part numbers: 149-512 (Armatron Intl Inc), SCB16438 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), TS170 (Telectro Systems Corp), CA143B16438 (Noseco Inc), CA143B16438 (Carol Electronics Div of Watson Electronics and Engineering Co Inc).

What NSN replaces 5305-00-322-4497?

There is 1 known substitute for 5305-00-322-4497: 6240-00-836-2079. Verify interchangeability with system specifications before substitution.

What are the specifications of 149-512?

Key specifications for 149-512: Head Diameter: 0.077 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.138 INCHES IN; Head Style: FLAT CHAMFER; Thread Direction: RIGHT-HAND. 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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