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657377 — ROCKET MOTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

657377: ROCKET MOTOR.

The ROCKET MOTOR is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, outside_diameter: 0.870 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.500 INCHES NOMINAL IN, fsc_application_data: COMPUTERS RANGE,AIRCRAFT GUNNERY FIRE CONTROL, cross-sectional_thickness: 0.200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 1340-00-768-0640, 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
657377
NSN: 1340-00-768-0640
NIINs: 007680640, 008402713
FSC: 1340 — Rockets, Rocket Ammunition and Rocket Components
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
outside_diameter0.870 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.500 INCHES NOMINAL IN
fsc_application_dataCOMPUTERS RANGE,AIRCRAFT GUNNERY FIRE CONTROL
cross-sectional_thickness0.200 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN1340-00-768-0640
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ROCKET MOTOR TITLE COMPONENT PN 657377 MFR ROCKET MOTOR
KEY FEATURES
•
IGNITER MODEL NUMBER: MK 130 MOD 1
•
NOMINAL THRUST: 7500.000 POUNDS LBS
•
PROPELLANT INHIBITOR: INCLUDED
•
NOMINAL BURNING TIME IN SECONDS: 1.04
•
MODEL NUMBER: MK 16 MOD 0,1 AND 2
•
MOTOR PROPELLANT MATERIAL: COMPOSITION N-4 CANNON POWDER
•
MOTOR PROPELLANT GRAIN WEIGHT: 34.97 POUNDS LBS
•
STRAIGHT SECTION OUTSIDE DIAMETER: 5.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
IGNITER MODEL NUMBERMK 130 MOD 1
NOMINAL THRUST7500.000 POUNDS LBS
PROPELLANT INHIBITORINCLUDED
NOMINAL BURNING TIME IN SECONDS1.04
MODEL NUMBERMK 16 MOD 0,1 AND 2
MOTOR PROPELLANT MATERIALCOMPOSITION N-4 CANNON POWDER
MOTOR PROPELLANT GRAIN WEIGHT34.97 POUNDS LBS
STRAIGHT SECTION OUTSIDE DIAMETER5.125 INCHES NOMINAL IN
DOT REGISTRATION CODEEX1988060941
OVERALL LENGTH72.260 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
1517491Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1340-J247Reference document
Same NSN cross-reference
Reference document — Informative reference only
LD267989Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogDemilitarization required (G)
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FREQUENTLY ASKED QUESTIONS
What is 657377?
657377 is a ROCKET MOTOR.
What parts can replace 657377?
There are 3 known substitutes for 657377: 1517491, 1340-J247, LD267989. Substitute compatibility should be verified for your specific system.
What is the NSN for 657377?
657377 is cataloged in the U.S. Government catalog under NSN 1340-00-768-0640. 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.