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QAC51937-524-2 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

QAC51937-524-2: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 1.190 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.120 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN, overall_length: 2.660 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN, style_designator: ROUND, CLOSED W/SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-243-7306, 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
QAC51937-524-2
NSN: 5306-01-243-7306
FSC: 5306 — Bolts
CAGE: 30485 — QUALIFIED AIR COMPONENTS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length1.190 INCHES MAXIMUM IN
thread_class2A A
thread_length1.120 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
overall_length2.660 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN
style_designatorROUND, CLOSED W/SHOULDER
thread_directionRIGHT-HAND
eye_outside_width1.370 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
eye_stock_diameter0.280 INCHES NOMINAL IN
eye_inside_diameter0.840 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-01-243-7306
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: QAC51937-524-2 · 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
•
EYE STOCK DIAMETER: 0.280 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.120 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
•
SHANK LENGTH: 1.190 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND, CLOSED W/SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-45908 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.280 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.120 INCHES MINIMUM AND 1.190 INCHES MAXIMUM IN
SHANK LENGTH1.190 INCHES MAXIMUM IN
STYLE DESIGNATORROUND, CLOSED W/SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-45908 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.660 INCHES MINIMUM AND 2.970 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD DIRECTIONRIGHT-HAND
DISTANCE FROM CENTER OF EYE TO SHANK END1.935 INCHES MINIMUM AND 2.245 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
SM-A-801122-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 QAC51937-524-2?
QAC51937-524-2 is a BOLT,EYE.
What parts can replace QAC51937-524-2?
There is 1 known substitute for QAC51937-524-2: SM-A-801122-1. Substitute compatibility should be verified for your specific system.
What is the NSN for QAC51937-524-2?
QAC51937-524-2 is cataloged in the U.S. Government catalog under NSN 5306-01-243-7306. 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.