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12412721 — CLAMP,SYNCHRO

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12412721: CLAMP,SYNCHRO.

The CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include width: 3.000 INCHES NOMINAL IN, height: 0.500 INCHES NOMINAL IN, length: 4.250 INCHES NOMINAL IN, material: STEEL, hole_diameter: 0.530 INCHES NOMINAL IN, effective_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-428-2133, 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
12412721
NSN: 5340-01-428-2133
FSC: 5340 — Hardware, Commercial
CAGE: 0FW39 — BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP DBA DATA SYSTEMS INTERNATIONAL INC (USA)
SPECIFICATIONS
width3.000 INCHES NOMINAL IN
height0.500 INCHES NOMINAL IN
length4.250 INCHES NOMINAL IN
materialSTEEL
hole_diameter0.530 INCHES NOMINAL IN
effective_height0.250 INCHES NOMINAL IN
style_designatorMOUNTING
surface_treatmentPAINT
material_document_and_classificationASTM A36 ASSN STD SINGLE MATERIAL RESPONSE
outside_edge_to_bolt_hole_center_distance_along_width1.500 INCHES NOMINAL IN
outside_edge_to_bolt_hole_center_distance_along_length1.250 INCHES NOMINAL IN
NSN5340-01-428-2133
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12412721 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 4.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: MOUNTING
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE
•
EFFECTIVE HEIGHT: 0.250 INCHES NOMINAL IN
•
HEIGHT: 0.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: PAINT
•
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH: 1.250 INCHES NOMINAL IN
•
WIDTH: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH4.250 INCHES NOMINAL IN
STYLE DESIGNATORMOUNTING
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A36 ASSN STD SINGLE MATERIAL RESPONSE
EFFECTIVE HEIGHT0.250 INCHES NOMINAL IN
HEIGHT0.500 INCHES NOMINAL IN
SURFACE TREATMENTPAINT
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH1.250 INCHES NOMINAL IN
WIDTH3.000 INCHES NOMINAL IN
MATERIALSTEEL
HOLE DIAMETER0.530 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12412721?
12412721 is a CLAMP,SYNCHRO.
What is the NSN for 12412721?
12412721 is cataloged in the U.S. Government catalog under NSN 5340-01-428-2133. 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.