PartsTable
Technical Data Sheet
Download PDF

SB203 — BUTTON,PLUG

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SB203: BUTTON,PLUG.

The BUTTON,PLUG is a the manufacturer industrial component. Key specifications include special_features: SAFETY BLOCK; IN CHAMBER AND KEEPS FIRING PIN CUSHION AGAINST BREECH. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-491-7705, 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
SB203
NSN: 5340-01-491-7705
FSC: 5340 — Hardware, Commercial
CAGE: 0N0G7 — J F S INC DIV BOONIE PACKER PRODUCTS DBA BOONIE PACKER PRODUCTS (USA)
SPECIFICATIONS
special_featuresSAFETY BLOCK; IN CHAMBER AND KEEPS FIRING PIN CUSHION AGAINST BREECH
NSN5340-01-491-7705
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SB203 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSAFETY BLOCK; IN CHAMBER AND KEEPS FIRING PIN CUSHION AGAINST BREECH
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
No demilitarization required
Ready to buy SB203?
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 SB203?
SB203 is a BUTTON,PLUG.
What is the NSN for SB203?
SB203 is cataloged in the U.S. Government catalog under NSN 5340-01-491-7705. 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 — SB203