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56-9-2-1 — CHUTE ASSEMBLY,AMMUNITION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

56-9-2-1: CHUTE ASSEMBLY,AMMUNITION.

The CHUTE ASSEMBLY,AMMUNITION is a the manufacturer industrial component. Key specifications include special_features: ACFT WHEEL AND BRAKE SYSTEM, end_item_identification: F-16 AIRCRAFT. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-966-2421, 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
56-9-2-1
NSN: 5306-00-966-2421
NIINs: 009662421, 011340769, 013517407, 017338376
FSC: 5306 — Bolts
CAGE: 02121 — GOODRICH AEROSPACE CANADA LTD (CAN)
SPECIFICATIONS
special_featuresACFT WHEEL AND BRAKE SYSTEM
end_item_identificationF-16 AIRCRAFT
NSN5306-00-966-2421
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 56-9-2-1 · 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
•
HEAD HEIGHT: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.930 INCHES MINIMUM AND 2.950 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DISTANCE FROM CENTERLINE TO FLAT: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 1.375 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
FASTENER LENGTH2.930 INCHES MINIMUM AND 2.950 INCHES MAXIMUM IN
SHOULDER LENGTH1.545 INCHES MINIMUM AND 1.555 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DISTANCE FROM CENTERLINE TO FLAT0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
SHOULDER DIAMETER0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH1.375 INCHES MINIMUM AND 1.400 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER0.190 INCHES MINIMUM AND 0.194 INCHES MAXIMUM FIRST HOLE IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
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 56-9-2-1?
56-9-2-1 is a CHUTE ASSEMBLY,AMMUNITION.
What is the NSN for 56-9-2-1?
56-9-2-1 is cataloged in the U.S. Government catalog under NSN 5306-00-966-2421. 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.