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1985712 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1985712: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.118 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN, fastener_length: 0.409 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN, surface_treatment: DICHROMATE ZINC OVERALL, width_between_flats: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-243-9396, 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
1985712
NSN: 5305-01-243-9396
FSC: 5305 — Screws
CAGE: 16764 — GENERAL MOTORS CORP DELCO REMY DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.118 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
fastener_length0.409 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
surface_treatmentDICHROMATE ZINC OVERALL
width_between_flats0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
nonmachine_thread_styleBLUNT (TYPE TT)
extended_washer_diameter0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
extended_washer_thickness0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
nonmachine_nominal_thread_diameter0.164 INCHES IN
surface_treatment_document_and_classificationGM 4342-M CAGE 16764 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5305-01-243-9396
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1985712 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
EXTENDED WASHER THICKNESS: 0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.118 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.409 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: GM 4342-M CAGE 16764 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
NONMACHINE THREAD STYLE: BLUNT (TYPE TT)
•
HEAD STYLE: HEXAGON EXTENDED WASHER
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.164 INCHES IN
EXTENDED WASHER THICKNESS0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
HEAD HEIGHT0.118 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
FASTENER LENGTH0.409 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGM 4342-M CAGE 16764 MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
NONMACHINE THREAD STYLEBLUNT (TYPE TT)
HEAD STYLEHEXAGON EXTENDED WASHER
WIDTH BETWEEN FLATS0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SURFACE TREATMENTDICHROMATE ZINC OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1985712?
1985712 is a SCREW,TAPPING.
What is the NSN for 1985712?
1985712 is cataloged in the U.S. Government catalog under NSN 5305-01-243-9396. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.