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B33539-1 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

B33539-1: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: ROUND, material: STEEL COMP 630, thickness: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN, aperture_shape: SPECIAL, outside_diameter: 1.140 INCHES NOMINAL1.140 INCHES NOMINAL IN, features_provided: APERTURE AND RAISED SURFACE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-356-6700, 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
B33539-1
NSN: 5340-01-356-6700
FSC: 5340 — Hardware, Commercial
CAGE: 9P5N5 — MOOG MILITARY AIRCRAFT LLC (USA)
SPECIFICATIONS
shapeROUND
materialSTEEL COMP 630
thickness0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
aperture_shapeSPECIAL
outside_diameter1.140 INCHES NOMINAL1.140 INCHES NOMINAL IN
features_providedAPERTURE AND RAISED SURFACE
surface_treatmentPASSIVATE
mounting_hole_typeUNTHREADED
raised_surface_height0.100 INCHES NOMINAL IN
raised_surface_length0.080 INCHES NOMINAL IN
mounting_hole_diameter0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM ALL HOLES IN
mounting_hole_quantity4
NSN5340-01-356-6700
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B33539-1 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
•
MOUNTING HOLE QUANTITY: 4
•
MATERIAL HARDNESS RATING: 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
RAISED SURFACE HEIGHT: 0.100 INCHES NOMINAL IN
•
RAISED SURFACE LENGTH: 0.080 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM ALL HOLES IN
•
SHAPE: ROUND
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
MATERIAL HARDNESS RATING33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
RAISED SURFACE HEIGHT0.100 INCHES NOMINAL IN
RAISED SURFACE LENGTH0.080 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.128 INCHES MINIMUM AND 0.133 INCHES MAXIMUM ALL HOLES IN
SHAPEROUND
OUTSIDE DIAMETER1.140 INCHES NOMINAL1.140 INCHES NOMINAL IN
FEATURES PROVIDEDAPERTURE AND RAISED SURFACE
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
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FREQUENTLY ASKED QUESTIONS
What is B33539-1?
B33539-1 is a PLATE,MOUNTING.
What is the NSN for B33539-1?
B33539-1 is cataloged in the U.S. Government catalog under NSN 5340-01-356-6700. 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.