PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P1273Screw,machine

Aerosonic Llc · NSN 5305-00-544-2290 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-544-2290 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-544-2290. Primary manufacturer part number: P1273.
Features
  • Screw,machine — FSC 5305
  • Screw Material: COPPER ALLOY
  • Fastener Length: 0.190 INCHES NOMINAL IN
  • Head Height: 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
  • Head Style: FLAT CHAMFER
  • Thread Class: 2A A
  • Screw Material Document and Classification: 1/2 HARD ASSN STD SINGLE MATERIAL RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-544-2290, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerosonic Llc. Government technical data includes 13 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-544-2290
Primary Part NumberP1273
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
Screw MaterialCOPPER ALLOY
Fastener Length0.190 INCHES NOMINAL IN
Head Height0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Head StyleFLAT CHAMFER
Thread Class2A A
Screw Material Document and Classification1/2 HARD ASSN STD SINGLE MATERIAL RESPONSE
Nominal Thread Diameter0.099 INCHES IN
Head Diameter0.180 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Thread Length0.167 INCHES MINIMUM IN
Thread Quantity Per Inch56
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-082-5094 INTERCHANGEABLE
Terminal,stud
2910-00-971-559202736 INTERCHANGEABLE
Pump,fuel Injection
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5915-01-676-9136888-4000-031 INTERCHANGEABLE
Filter,band Pass
Telephonics Corporation
Cross-Reference Index
Part NumberManufacturer
P1273 PRIMARY Aerosonic Llc (USA)
Related Parts
5940-00-082-5094INTERCHANGEABLE
TERMINAL,STUD
2910-00-971-5592INTERCHANGEABLE
PUMP,FUEL INJECTION
02736
5915-01-676-9136INTERCHANGEABLE
FILTER,BAND PASS
888-4000-031

Frequently Asked Questions

What is NSN 5305-00-544-2290?

NSN 5305-00-544-2290 is a Screw,machine, manufactured by Aerosonic Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-544-2290?

NSN 5305-00-544-2290 has 1 cross-referenced part number: P1273 (Aerosonic Llc).

What NSN replaces 5305-00-544-2290?

There are 3 known substitutes for 5305-00-544-2290: 5940-00-082-5094, 2910-00-971-5592, 5915-01-676-9136. Verify interchangeability with system specifications before substitution.

What are the specifications of P1273?

Key specifications for P1273: Screw Material: COPPER ALLOY; Fastener Length: 0.190 INCHES NOMINAL IN; Head Height: 0.058 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Thread Series Designator: UNF. 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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