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300603-1 — BODY,GAUGE,BREATHING APPARATUS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

300603-1: BODY,GAUGE,BREATHING APPARATUS.

The BODY,GAUGE,BREATHING APPARATUS is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: BODY, GAUGE, BREATHING APPARATUS. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-471-8631, 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
300603-1
NSN: 5340-00-471-8631
NIINs: 004718631, 015708093
FSC: 5340 — Hardware, Commercial
CAGE: 24706 — BIZTEC CO (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyBODY, GAUGE, BREATHING APPARATUS
NSN5340-00-471-8631
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 300603-1 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: 14.250 INCHES NOMINAL IN
•
SECURING DEVICE TYPE: THREADED FASTENER
•
WIDTH: 11.500 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
LENGTH14.250 INCHES NOMINAL IN
SECURING DEVICE TYPETHREADED FASTENER
WIDTH11.500 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 300603-1?
300603-1 is a BODY,GAUGE,BREATHING APPARATUS.
What is the NSN for 300603-1?
300603-1 is cataloged in the U.S. Government catalog under NSN 5340-00-471-8631. 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.