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D0175PQ — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

D0175PQ: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.470 INCHES NOMINAL IN, fastener_length: 0.780 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-617-0143, 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
D0175PQ
NSN: 5305-01-617-0143
FSC: 5305 — Screws
CAGE: 39610 — COLONIAL MACHINE & TOOL CO INC (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
thread_class2A A
thread_length0.470 INCHES NOMINAL IN
fastener_length0.780 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
nominal_thread_diameter0.3125 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
part_name_assigned_by_controlling_agencySCREW, VENT
NSN5305-01-617-0143
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D0175PQ · 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
•
HEAD HEIGHT: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.780 INCHES NOMINAL IN
•
THREAD LENGTH: 0.470 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
FASTENER LENGTH0.780 INCHES NOMINAL IN
THREAD LENGTH0.470 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.3125 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW, VENT
THREAD CLASS2A A
THREAD QUANTITY PER INCH24
SUBSTITUTES & CROSS-REFERENCES 2
B0138MK-D0175PQReference document
Same NSN cross-reference
Reference document — Secondary reference
B0138MKReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D0175PQ?
D0175PQ is a SCREW,CAP,HEXAGON HEAD.
What parts can replace D0175PQ?
There are 2 known substitutes for D0175PQ: B0138MK-D0175PQ, B0138MK. Substitute compatibility should be verified for your specific system.
What is the NSN for D0175PQ?
D0175PQ is cataloged in the U.S. Government catalog under NSN 5305-01-617-0143. 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.