PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS-2Screw,shoulder

Reid Supply Company · NSN 5305-01-437-5597 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-437-5597 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-437-5597. Primary manufacturer part number: SS-2.
Features
  • Screw,shoulder — FSC 5305
  • Shoulder Length: 0.3120 INCHES NOMINAL FIRST SHOULDER IN
  • Head Height: 0.188 INCHES NOMINAL IN
  • Width Across Flats: 0.188 INCHES NOMINAL IN
  • Shoulder Shape: ROUND FIRST SHOULDER
  • Surface Treatment: OXIDE OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material Document and Classification: 4140L STEEL, CAGEC 01599 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-01-437-5597, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Reid Supply Company. Government technical data includes 19 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-437-5597
Primary Part NumberSS-2
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerReid Supply Company
StatusACTIVE
Shoulder Length0.3120 INCHES NOMINAL FIRST SHOULDER IN
Head Height0.188 INCHES NOMINAL IN
Width Across Flats0.188 INCHES NOMINAL IN
Shoulder ShapeROUND FIRST SHOULDER
Surface TreatmentOXIDE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and Classification4140L STEEL, CAGEC 01599 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Internal Drive StyleHEXAGON
MaterialSTEEL OVERALL
Shoulder Diameter0.3710 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM FIRST SHOULDER IN
Nominal Thread Diameter0.250 INCHES IN
ColorBLACK OVERALL
Thread Quantity Per Inch20
Fastener Length0.687 INCHES NOMINAL IN
Thread Length0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Head Diameter0.625 INCHES NOMINAL IN
Head StylePAN NO. 2
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-115-4129A1-11 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
6140-00-434-5883 INTERCHANGEABLE
Battery,storage
5360-00-476-2890C4W1659-1 INTERCHANGEABLE
Spring,helical,extension
De Havilland Aircraft of Canada Limited
5305-00-699-95748526306 INTERCHANGEABLE
Screw,shoulder
Us Army Aviation and Missile Command
2530-00-845-24532525060 INTERCHANGEABLE
Parts Kit,brake Air Compressor
Chrysler Corp Service and Parts Opns
5940-00-961-047930-222 INTERCHANGEABLE
Splice,conductor
Ideal Industries, Inc.
5975-01-072-0986SS2 INTERCHANGEABLE
Plate,wall,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5998-01-094-3158 INTERCHANGEABLE
Circuit Card Assembly
4320-01-210-7576SS-2 INTERCHANGEABLE
Parts Kit,hydraulic Pump
White Hydraulics Inc
2930-01-416-7313SS-2 INTERCHANGEABLE
Parts Kit,engine Water Inlet
Gross Mechanical Laboratories Inc
Cross-Reference Index
Part NumberManufacturer
SS-2 PRIMARY Reid Supply Company (USA)
Related Parts
3040-00-115-4129INTERCHANGEABLE
SHAFT,STRAIGHT
A1-11
6140-00-434-5883INTERCHANGEABLE
BATTERY,STORAGE
5360-00-476-2890INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
C4W1659-1
5305-00-699-9574INTERCHANGEABLE
SCREW,SHOULDER
8526306
2530-00-845-2453INTERCHANGEABLE
PARTS KIT,BRAKE AIR COMPRESSOR
2525060
5940-00-961-0479INTERCHANGEABLE
SPLICE,CONDUCTOR
30-222
5975-01-072-0986INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
SS2
5998-01-094-3158INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4320-01-210-7576INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
SS-2
2930-01-416-7313INTERCHANGEABLE
PARTS KIT,ENGINE WATER INLET
SS-2
4235-01-416-8980INTERCHANGEABLE
SORBENT,HAZARDOUS MATERIAL
SS-2
5985-01-426-6930INTERCHANGEABLE
ANTENNA
SS-2

Frequently Asked Questions

What is NSN 5305-01-437-5597?

NSN 5305-01-437-5597 is a Screw,shoulder, manufactured by Reid Supply Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-437-5597?

NSN 5305-01-437-5597 has 1 cross-referenced part number: SS-2 (Reid Supply Company).

What NSN replaces 5305-01-437-5597?

There are 12 known substitutes for 5305-01-437-5597: 3040-00-115-4129, 6140-00-434-5883, 5360-00-476-2890 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SS-2?

Key specifications for SS-2: Shoulder Length: 0.3120 INCHES NOMINAL FIRST SHOULDER IN; Head Height: 0.188 INCHES NOMINAL IN; Width Across Flats: 0.188 INCHES NOMINAL IN; Shoulder Shape: ROUND FIRST SHOULDER. 19 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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