BACS21Z11R — STUD ASSEMBLY,TURNLOCK FASTENER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BACS21Z11R: STUD ASSEMBLY,TURNLOCK FASTENER.

STUD ASSEMBLY,TURNLOCK FASTENER. Key specifications include diameter: 0.300 INCHES NOMINAL IN, material: STEEL EJECTOR SPRING, drive_type: CROSS RECESS, stud_diameter: 0.124 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, stud_head_height: 0.100 INCHES NOMINAL IN, surface_treatment: CADMIUM AND CHROMATE EYELET. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-355-1580, 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

BACS21Z11R

NSN: 5325-01-355-1580
FSC: 5325 — Fastening Devices
CAGE: 60119 — MONADNOCK COMPANY, THE DBA LISI AEROSPACE (USA)

SPECIFICATIONS

diameter	0.300 INCHES NOMINAL IN
material	STEEL EJECTOR SPRING
drive_type	CROSS RECESS
stud_diameter	0.124 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
stud_head_height	0.100 INCHES NOMINAL IN
surface_treatment	CADMIUM AND CHROMATE EYELET
stud_assembly_style	STUD ASSEMBLY
securing_device_type	WASHER
eyelet_outside_diameter	0.525 INCHES NOMINAL IN
turnlock_stud_head_style	STUD HEAD
material_accommodated_thickness	0.330 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
distance_from_engaging_member_to_largest_bearing_surface_of_head	0.551 INCHES NOMINAL IN
NSN	5325-01-355-1580

COMPONENT DIAGRAM

KEY FEATURES

•

EYELET OUTSIDE DIAMETER: 0.525 INCHES NOMINAL IN

•

DRIVE TYPE: CROSS RECESS

•

MATERIAL ACCOMMODATED THICKNESS: 0.330 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN

•

DIAMETER: 0.300 INCHES NOMINAL IN

•

STUD HEAD HEIGHT: 0.100 INCHES NOMINAL IN

•

SECURING DEVICE TYPE: WASHER

•

DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.551 INCHES NOMINAL IN

•

TURNLOCK STUD HEAD STYLE: STUD HEAD

TECHNICAL CHARACTERISTICS

EYELET OUTSIDE DIAMETER	0.525 INCHES NOMINAL IN
DRIVE TYPE	CROSS RECESS
MATERIAL ACCOMMODATED THICKNESS	0.330 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN
DIAMETER	0.300 INCHES NOMINAL IN
STUD HEAD HEIGHT	0.100 INCHES NOMINAL IN
SECURING DEVICE TYPE	WASHER
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD	0.551 INCHES NOMINAL IN
TURNLOCK STUD HEAD STYLE	STUD HEAD
SURFACE TREATMENT	CADMIUM AND CHROMATE EJECTOR SPRING
SURFACE TREATMENT	CADMIUM AND CHROMATE STUD

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 1

28S14-11Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is BACS21Z11R?

BACS21Z11R is a STUD ASSEMBLY,TURNLOCK FASTENER.

What parts can replace BACS21Z11R?

There is 1 known substitute for BACS21Z11R: 28S14-11. Substitute compatibility should be verified for your specific system.

What is the NSN for BACS21Z11R?

BACS21Z11R is cataloged in the U.S. Government catalog under NSN 5325-01-355-1580. This indicates validated use in U.S. government and defense supply chains.

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