PartsTable
Technical Data Sheet
Download PDF

NKB312 — CLAMP,SYNCHRO

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NKB312: CLAMP,SYNCHRO.

The CLAMP,SYNCHRO is a the manufacturer industrial component. Key specifications include width: 0.540 INCHES NOMINAL IN, height: 0.177 INCHES NOMINAL IN, length: 0.570 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, hole_diameter: 0.106 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, furnished_items: LOCKNUT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-024-6935, 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
NKB312
NSN: 5340-01-024-6935
FSC: 5340 — Hardware, Commercial
CAGE: K0967 — MBDA UK LTD (GBR)
SPECIFICATIONS
width0.540 INCHES NOMINAL IN
height0.177 INCHES NOMINAL IN
length0.570 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
hole_diameter0.106 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
furnished_itemsLOCKNUT
surface_treatmentPASSIVATE
NSN5340-01-024-6935
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NKB312 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: 0.570 INCHES NOMINAL IN
•
HEIGHT: 0.177 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE
•
WIDTH: 0.540 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
•
FURNISHED ITEMS: LOCKNUT
•
HOLE DIAMETER: 0.106 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LENGTH0.570 INCHES NOMINAL IN
HEIGHT0.177 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE
WIDTH0.540 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
FURNISHED ITEMSLOCKNUT
HOLE DIAMETER0.106 INCHES MINIMUM AND 0.110 INCHES MAXIMUM 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy NKB312?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is NKB312?
NKB312 is a CLAMP,SYNCHRO.
What is the NSN for NKB312?
NKB312 is cataloged in the U.S. Government catalog under NSN 5340-01-024-6935. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — NKB312

✓ 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.