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D4-BJR7-90ZBCNA — STUD,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

D4-BJR7-90ZBCNA: STUD,TURNLOCK FASTENER.

The STUD,TURNLOCK FASTENER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, drive_type: SLOTTED, grip_length: 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN, head_length: 1.365 INCHES NOMINAL IN, stud_head_height: 1.125 INCHES NOMINAL IN, shank_neck_length: 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-255-1126, 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
D4-BJR7-90ZBCNA
NSN: 5325-01-255-1126
FSC: 5325 — Fastening Devices
CAGE: 72794 — SOUTHCO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
drive_typeSLOTTED
grip_length0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN
head_length1.365 INCHES NOMINAL IN
stud_head_height1.125 INCHES NOMINAL IN
shank_neck_length0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
surface_treatmentCHROMATE AND ZINC OVERALL
securing_device_typeSPRING
turnlock_stud_head_styleLOOP ON FLAT FILLISTER
stud_shank_major_diameter0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
turnlock_stud_shank_styleSTUD SHANK
surface_treatment_document_and_classificationASTM B633,FE/ZA 25 SC4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5325-01-255-1126
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D4-BJR7-90ZBCNA · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633,FE/ZA 25 SC4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
HEAD LENGTH: 1.365 INCHES NOMINAL IN
•
DRIVE TYPE: SLOTTED
•
TURNLOCK STUD SHANK STYLE: STUD SHANK
•
STUD HEAD HEIGHT: 1.125 INCHES NOMINAL IN
•
SHANK NECK LENGTH: 0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
•
SECURING DEVICE TYPE: SPRING
•
TURNLOCK STUD HEAD STYLE: LOOP ON FLAT FILLISTER
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B633,FE/ZA 25 SC4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HEAD LENGTH1.365 INCHES NOMINAL IN
DRIVE TYPESLOTTED
TURNLOCK STUD SHANK STYLESTUD SHANK
STUD HEAD HEIGHT1.125 INCHES NOMINAL IN
SHANK NECK LENGTH0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
SECURING DEVICE TYPESPRING
TURNLOCK STUD HEAD STYLELOOP ON FLAT FILLISTER
STUD SHANK MAJOR DIAMETER0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
SURFACE TREATMENTCHROMATE AND ZINC OVERALL
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
122J-R790-Z3CReference document
Same NSN cross-reference
Reference document — Secondary reference
BJR7-90Reference document
Same NSN cross-reference
Reference document — Secondary reference
122J-R790-23CReference 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 D4-BJR7-90ZBCNA?
D4-BJR7-90ZBCNA is a STUD,TURNLOCK FASTENER.
What parts can replace D4-BJR7-90ZBCNA?
There are 3 known substitutes for D4-BJR7-90ZBCNA: 122J-R790-Z3C, BJR7-90, 122J-R790-23C. Substitute compatibility should be verified for your specific system.
What is the NSN for D4-BJR7-90ZBCNA?
D4-BJR7-90ZBCNA is cataloged in the U.S. Government catalog under NSN 5325-01-255-1126. 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.