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55830-01 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

55830-01: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_depth: 0.630 INCHES NOMINAL IN, hole_diameter: 1.250 INCHES NOMINAL IN, overall_height: 1.630 INCHES NOMINAL IN, style_designator: FLAT RECESSED TOP, outside/top_flange_diameter: 2.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-208-3352, 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
55830-01
NSN: 5340-01-208-3352
FSC: 5340 — Hardware, Commercial
CAGE: 07703 — ATK LAUNCH SYSTEMS LLC DBA ATK LAUNCH SYSTEMS-PROMONTORY DIV PROPULSION SYSTEMS - PROMONTORY (USA)
SPECIFICATIONS
materialRUBBER
hole_depth0.630 INCHES NOMINAL IN
hole_diameter1.250 INCHES NOMINAL IN
overall_height1.630 INCHES NOMINAL IN
special_features0.220 IN. THK MIN,0.340 IN. THK MAX; 5 HOLES 0.260 IN. DIA MIN,0.380 IN. DIA MAX,0.880 IN. C TO C ALONG H,0.100 IN. C TO C ALONG LG IN
style_designatorFLAT RECESSED TOP
outside/top_flange_diameter2.750 INCHES NOMINAL IN
material_document_and_classificationASTM D1056, CLASS E, GRADE RE42 B ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-208-3352
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 55830-01 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
•
OUTSIDE/TOP FLANGE DIAMETER: 2.750 INCHES NOMINAL IN
•
HOLE DEPTH: 0.630 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT RECESSED TOP
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D1056, CLASS E, GRADE RE42 B ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER
•
HOLE DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.630 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER2.750 INCHES NOMINAL IN
HOLE DEPTH0.630 INCHES NOMINAL IN
STYLE DESIGNATORFLAT RECESSED TOP
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D1056, CLASS E, GRADE RE42 B ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURES0.220 IN. THK MIN,0.340 IN. THK MAX; 5 HOLES 0.260 IN. DIA MIN,0.380 IN. DIA MAX,0.880 IN. C TO C ALONG H,0.100 IN. C TO C ALONG LG IN
MATERIALRUBBER
HOLE DIAMETER1.250 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
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55830-01?
55830-01 is a BUMPER.
What is the NSN for 55830-01?
55830-01 is cataloged in the U.S. Government catalog under NSN 5340-01-208-3352. This indicates validated use in U.S. government and defense supply chains.
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