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Technical Data Sheet
PartsTable / COMPONENT / BACS21ED5W
BACS21ED5W ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

STUD ASSEMBLY,TURNLOCK FASTENER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-291-0217, 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
BACS21ED5W
NSN: 5325-00-291-0217
FSC: 5325
CAGE: KCUF0 — MINISTRY OF DEFENCE, UK MILITARY FLYING TRAINING SYSTEM IPT (MFTS IPT) (GBR)
SPECIFICATIONS
Part NumberBACS21ED5W
NSN5325-00-291-0217
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACS21ED5W · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
AIRWORTHY CERTIFICATED ITEMInterchangeable
interchangeable cross-reference
interchangeable
100-115-0073Interchangeable
interchangeable cross-reference
interchangeable
100-222-0073Interchangeable
interchangeable cross-reference
interchangeable
10157692Interchangeable
interchangeable cross-reference
interchangeable
484372-6Interchangeable
interchangeable cross-reference
interchangeable
CA17036-6HSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BACS21ED5W?
BACS21ED5W is a STUD ASSEMBLY,TURNLOCK FASTENER.
What parts can replace BACS21ED5W?
There are 22 known substitutes for BACS21ED5W: AIRWORTHY CERTIFICATED ITEM, 100-115-0073, 100-222-0073 and 19 more. Substitute compatibility should be verified for your specific system.
Is BACS21ED5W still available?
BACS21ED5W is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026