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7520954 — SAFETY AND ARMING DEVICE,GUIDED

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

7520954: SAFETY AND ARMING DEVICE,GUIDED.

SAFETY AND ARMING DEVICE,GUIDED. Key specifications include model_number: MK89-0, special_features: MODIFIED MK51 SAD,W/SHOCK ABSORBER REMOVED., dod_ammunition_code: 1336-VB18, supplementary_features: USED IN CONJUNTION W/MK-79 MOD-0 FUZE BOOSTER., end_item_identification: F/SM-II BLK-III.. This part is cataloged in the U.S.

Government catalog under NSN 2520-00-308-6743, 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
7520954
NSN: 2520-00-308-6743
NIINs: 003086743, 015493140
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
model_numberMK89-0
special_featuresMODIFIED MK51 SAD,W/SHOCK ABSORBER REMOVED.
dod_ammunition_code1336-VB18
supplementary_featuresUSED IN CONJUNTION W/MK-79 MOD-0 FUZE BOOSTER.
end_item_identificationF/SM-II BLK-III.
NSN2520-00-308-6743
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SAFETY AND ARMING DEVICE,GUIDED TITLE COMPONENT PN 7520954 MFR SAFETY AND ARMING DEVI
KEY FEATURES
•
DISK MATERIAL: STEEL
•
DESIGN TYPE: DRY
•
OUTSIDE DIAMETER: 12.000 INCHES NOMINAL IN
•
FLEXIBILITY: RIGID
•
DISK TYPE: PLAIN
•
SPLINE MAJOR DIAMETER: 1.509 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISK MATERIALSTEEL
DESIGN TYPEDRY
OUTSIDE DIAMETER12.000 INCHES NOMINAL IN
FLEXIBILITYRIGID
DISK TYPEPLAIN
SPLINE MAJOR DIAMETER1.509 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 8
M9957Reference document
Same NSN cross-reference
Reference document — Secondary reference
911806Reference document
Same NSN cross-reference
Reference document — Secondary reference
1173B2Reference document
Same NSN cross-reference
Reference document — Secondary reference
3RL0770Reference document
Same NSN cross-reference
Reference document — Secondary reference
3UAB0770Reference document
Same NSN cross-reference
Reference document — Secondary reference
CM9957Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7520954?
7520954 is a SAFETY AND ARMING DEVICE,GUIDED.
What parts can replace 7520954?
There are 8 known substitutes for 7520954: M9957, 911806, 1173B2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7520954?
7520954 is cataloged in the U.S. Government catalog under NSN 2520-00-308-6743. 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.