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Technical Data Sheet
PartsTable / COMPONENT / 31580
31580 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include phase: SINGLE, control_type: THERMOSTAT, current_type: AC, inside_depth: 14.000 INCHES NOMINAL IN, inside_width: 18.000 INCHES NOMINAL IN, power_rating: 1450.0 WATTS NOMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-012-0233, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
31580
NSN: 5305-00-012-0233
FSC: 5305
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
phaseSINGLE
control_typeTHERMOSTAT
current_typeAC
inside_depth14.000 INCHES NOMINAL IN
inside_width18.000 INCHES NOMINAL IN
power_rating1450.0 WATTS NOMINAL
water_jacketNOT PROVIDED
inside_height19.000 INCHES NOMINAL IN
overall_depth19.000 INCHES NOMINAL IN
overall_width23.000 INCHES NOMINAL IN
heating_methodELECTRICAL
overall_height32.000 INCHES NOMINAL IN
NSN5305-00-012-0233
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 31580 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
HARDNESS RATING: 95.5 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
THREAD QUANTITY PER INCH: 16
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING95.5 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD QUANTITY PER INCH16
THREAD LENGTH0.844 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
3723Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636 TY16ST2Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-636Interchangeable
interchangeable cross-reference
interchangeable
120233Interchangeable
interchangeable cross-reference
interchangeable
179839Interchangeable
interchangeable cross-reference
interchangeable
W1006-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31580?
31580 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 31580?
There are 21 known substitutes for 31580: 3723, GGG-W-636 TY16ST2, GGG-W-636 and 18 more. Substitute compatibility should be verified for your specific system.
Is 31580 still available?
31580 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026