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HP1170D4-12 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HP1170D4-12: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-469-2871, 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
HP1170D4-12
NSN: 5305-01-469-2871
FSC: 5305 — Screws
CAGE: 0ZC92 — HEARTLAND PRECISION FASTENERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleFLAT COUNTERSUNK
grip_length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter0.358 INCHES MINIMUM AND 0.365 INCHES MAXIMUM IN
thread_length0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
fastener_length1.160 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
special_featuresCHAMFERED END - CHAMFER PLUS INCOMPLETE THREADS NOT TO EXCEED 2 THREAD PITCHES
thread_directionLEFT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
NSN5305-01-469-2871
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HP1170D4-12 · 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
•
SPLINE MINOR DIAMETER: 0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.160 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SPLINE MAJOR DIAMETER: 0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN
•
SINGLE SHEAR STRENGTH: ERR-060
•
NOMINAL THREAD DIAMETER: 0.249 INCHES IN
TECHNICAL CHARACTERISTICS
SPLINE MINOR DIAMETER0.1105 INCHES MINIMUM AND 0.1125 INCHES MAXIMUM IN
FASTENER LENGTH1.160 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
THREAD LENGTH0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONAGAV
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPLINE MAJOR DIAMETER0.1540 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN
SINGLE SHEAR STRENGTHERR-060
NOMINAL THREAD DIAMETER0.249 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONLEFT-HAND
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 2
TX1027D4-12AReference document
Same NSN cross-reference
Reference document — Secondary reference
11825D4-12ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HP1170D4-12?
HP1170D4-12 is a SCREW,CLOSE TOLERANCE.
What parts can replace HP1170D4-12?
There are 2 known substitutes for HP1170D4-12: TX1027D4-12A, 11825D4-12A. Substitute compatibility should be verified for your specific system.
What is the NSN for HP1170D4-12?
HP1170D4-12 is cataloged in the U.S. Government catalog under NSN 5305-01-469-2871. 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.