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DNH1055-1A-8 — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

DNH1055-1A-8: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, drive_type: KNURLED, grip_length: 0.251 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN, minor_diameter: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, stud_head_height: 0.210 INCHES NOMINAL IN, width_across_flats: 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-258-1835, 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
DNH1055-1A-8
NSN: 5325-01-258-1835
FSC: 5325 — Fastening Devices
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL RETAINER
drive_typeKNURLED
grip_length0.251 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN
minor_diameter0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
stud_head_height0.210 INCHES NOMINAL IN
width_across_flats0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
securing_device_typeRING
end_item_identificationW/S: AIRCRAFT, HARRIER AV-8B; AIRCRAFT, HORNET F/A-18; F/A-18E/F HORNET AIRCRAFT
turnlock_stud_head_styleHEXAGON
turnlock_stud_shank_styleSTUD SHANK
material_document_and_classificationAMS5528 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
stud_thread_size_and_series/type_designator0.250-28 UNF
NSN5325-01-258-1835
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: DNH1055-1A-8 · 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
•
WIDTH ACROSS FLATS: 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
DRIVE TYPE: KNURLED
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5528 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
•
STUD HEAD HEIGHT: 0.210 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: RING
•
TURNLOCK STUD HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
DRIVE TYPEKNURLED
TURNLOCK STUD SHANK STYLESTUD SHANK
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5528 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5734 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE STUD
STUD HEAD HEIGHT0.210 INCHES NOMINAL IN
SECURING DEVICE TYPERING
TURNLOCK STUD HEAD STYLEHEXAGON
END ITEM IDENTIFICATIONW/S: AIRCRAFT, HARRIER AV-8B; AIRCRAFT, HORNET F/A-18; F/A-18E/F HORNET AIRCRAFT
MINOR DIAMETER0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 3
10119331Reference document
Same NSN cross-reference
Reference document — Informative reference only
971259-2CReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
FT5121Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 DNH1055-1A-8?
DNH1055-1A-8 is a STUD,TURNLOCK FASTENER.
What parts can replace DNH1055-1A-8?
There are 3 known substitutes for DNH1055-1A-8: 10119331, 971259-2C, FT5121. Substitute compatibility should be verified for your specific system.
What is the NSN for DNH1055-1A-8?
DNH1055-1A-8 is cataloged in the U.S. Government catalog under NSN 5325-01-258-1835. 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.