PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DS-934257Screw,cap,socket Head

Eaton Aerospace, Llc Dba Jackson South · NSN 5305-00-780-9548 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-780-9548 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-780-9548. Primary manufacturer part number: DS-934257.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Diameter: 0.300 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Thread Length: 0.375 INCHES MINIMUM IN
  • Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-780-9548, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-780-9548
Primary Part NumberDS-934257
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusCANCELLED
Head Diameter0.300 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Length0.375 INCHES MINIMUM IN
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Diameter0.164 INCHES IN
Thread Class3A A
Locking FeaturePATCH OR STRIP THREADS
Internal Drive StyleSLOT
MaterialSTEEL OVERALL
Head StyleFLAT COUNTERSUNK
Thread Quantity Per Inch32
Fastener Length0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5910-00-196-4715 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
2915-00-472-84675193-1 INTERCHANGEABLE
Parts Kit,pump Over
Hydro-Aire Aerospace Corp
5325-00-505-4912 INTERCHANGEABLE
Ring,retaining
4320-00-920-7245SC-036.3 INTERCHANGEABLE
Pump,pneudraulic
Columbus Jack Corporation Div Columbus Jack
5331-01-349-28295-193 INTERCHANGEABLE
O-Ring
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6515-01-370-75485193 INTERCHANGEABLE
Guide Wire,nonvascular Catheter
Boston Scientific Corp Microvasive Div
5998-01-703-15905193 INTERCHANGEABLE
Circuit Card Assembly
Acromag, Incorporated
Cross-Reference Index
Part NumberManufacturer
DS-934257 Nylok Llc (USA)
DS-934257 Eaton Aerospace, Llc Dba Jackson South (USA)
DS-934257 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
5193 General Signal Corp (USA)
5193 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5910-00-196-4715INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
2915-00-472-8467INTERCHANGEABLE
PARTS KIT,PUMP OVER
5193-1
5325-00-505-4912INTERCHANGEABLE
RING,RETAINING
4320-00-920-7245INTERCHANGEABLE
PUMP,PNEUDRAULIC
SC-036.3
5331-01-349-2829INTERCHANGEABLE
O-RING
5-193
6515-01-370-7548INTERCHANGEABLE
GUIDE WIRE,NONVASCULAR CATHETER
5193
5998-01-703-1590INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5193

Frequently Asked Questions

What is NSN 5305-00-780-9548?

NSN 5305-00-780-9548 is a Screw,cap,socket Head, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-780-9548?

NSN 5305-00-780-9548 has 5 cross-referenced part numbers: DS-934257 (Nylok Llc), DS-934257 (Eaton Aerospace, Llc Dba Jackson South), DS-934257 (Eaton Aerospace, Llc Dba Jackson South), 5193 (General Signal Corp), 5193 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5305-00-780-9548?

There are 7 known substitutes for 5305-00-780-9548: 5910-00-196-4715, 2915-00-472-8467, 5325-00-505-4912 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DS-934257?

Key specifications for DS-934257: Head Diameter: 0.300 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Thread Length: 0.375 INCHES MINIMUM IN; Countersink Angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-780-9548 still in active supply?

NSN 5305-00-780-9548 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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