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2HS53 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2HS53: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 0.128 INCHES NOMINAL IN, fastener_length: 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, special_features: 32 THREADS PER INCH, surface_treatment: ZINC AND DICHROMATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-372-9403, 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
2HS53
NSN: 5305-01-372-9403
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height0.128 INCHES NOMINAL IN
fastener_length0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
special_features32 THREADS PER INCH
surface_treatmentZINC AND DICHROMATE OVERALL
width_between_flats0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
internal_drive_styleSLOT
end_item_identification2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM).
nonmachine_thread_styleTHRU SLOT (TYPE D)
extended_washer_diameter0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
extended_washer_thickness0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
NSN5305-01-372-9403
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2HS53 · 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: 0.128 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
NONMACHINE THREAD STYLE: THRU SLOT (TYPE D)
•
HEAD STYLE: HEXAGON EXTENDED WASHER
•
WIDTH BETWEEN FLATS: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.164 INCHES IN
EXTENDED WASHER THICKNESS0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
HEAD HEIGHT0.128 INCHES NOMINAL IN
FASTENER LENGTH0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
NONMACHINE THREAD STYLETHRU SLOT (TYPE D)
HEAD STYLEHEXAGON EXTENDED WASHER
WIDTH BETWEEN FLATS0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SPECIAL FEATURES32 THREADS PER INCH
SURFACE TREATMENTZINC AND DICHROMATE 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 1
1114032-006Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 2HS53?
2HS53 is a SCREW,TAPPING.
What parts can replace 2HS53?
There is 1 known substitute for 2HS53: 1114032-006. Substitute compatibility should be verified for your specific system.
What is the NSN for 2HS53?
2HS53 is cataloged in the U.S. Government catalog under NSN 5305-01-372-9403. 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.