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BACS21Y23R — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACS21Y23R: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include material: STEEL OVERALL, special_features: NHA PN 352S4902-3; GRIP LENGTH 0.690 MIN 0.719 INCH MAX; TYPE PAN, CROSS RECESS; MAX SERVICE TEMPERATURE 350 DEG F IN, surface_treatment: CADMIUM OVERALL, end_item_identification: PART NUMBER 352S4902-2, part_name_assigned_by_controlling_agency: STUD. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-481-2151, 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
BACS21Y23R
NSN: 5325-01-481-2151
FSC: 5325 — Fastening Devices
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresNHA PN 352S4902-3; GRIP LENGTH 0.690 MIN 0.719 INCH MAX; TYPE PAN, CROSS RECESS; MAX SERVICE TEMPERATURE 350 DEG F IN
surface_treatmentCADMIUM OVERALL
end_item_identificationPART NUMBER 352S4902-2
part_name_assigned_by_controlling_agencySTUD
NSN5325-01-481-2151
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACS21Y23R · 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: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNHA PN 352S4902-3; GRIP LENGTH 0.690 MIN 0.719 INCH MAX; TYPE PAN, CROSS RECESS; MAX SERVICE TEMPERATURE 350 DEG F IN
SURFACE TREATMENTCADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD
END ITEM IDENTIFICATIONPART NUMBER 352S4902-2
MATERIALSTEEL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACS21Y23R?
BACS21Y23R is a STUD ASSEMBLY,TURNLOCK FASTENER.
What is the NSN for BACS21Y23R?
BACS21Y23R is cataloged in the U.S. Government catalog under NSN 5325-01-481-2151. 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.