PartsTable
Technical Data Sheet
Download PDF

618527 — BAND,RETAINING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

618527: BAND,RETAINING.

The BAND,RETAINING is a the manufacturer industrial component. Key specifications include width: 0.700 INCHES NOMINAL IN, material: STEEL COMP 631, end_style: SPLIT LOOP, thickness: 0.025 INCHES NOMINAL IN, slot_width: 0.420 INCHES NOMINAL IN, bend_radius: 12.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-754-7480, 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
618527
NSN: 5340-00-754-7480
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
width0.700 INCHES NOMINAL IN
materialSTEEL COMP 631
end_styleSPLIT LOOP
thickness0.025 INCHES NOMINAL IN
slot_width0.420 INCHES NOMINAL IN
bend_radius12.000 INCHES NOMINAL IN
loop_radius0.030 INCHES NOMINAL IN
arc_angle_in_deg315.0
special_featuresEND LOOPS MATERIAL IS AMS5644 ANDSTRAP IS AMS5528, ENDS WELDED
basic_shape_styleC
end_item_identificationACFT ENG TF30
criticality_code_justificationAGAV
NSN5340-00-754-7480
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 618527 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
•
END STYLE: SPLIT LOOP
•
CRITICALITY CODE JUSTIFICATION: AGAV
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5528 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5644 ASSN STD 2ND MATERIAL RESPONSE
•
LOOP RADIUS: 0.030 INCHES NOMINAL IN
•
BASIC SHAPE STYLE: C
•
ARC ANGLE IN DEG: 315.0
TECHNICAL CHARACTERISTICS
END STYLESPLIT LOOP
END STYLESOLID LOOP
CRITICALITY CODE JUSTIFICATIONAGAV
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5528 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5644 ASSN STD 2ND MATERIAL RESPONSE
LOOP RADIUS0.030 INCHES NOMINAL IN
BASIC SHAPE STYLEC
ARC ANGLE IN DEG315.0
SPECIAL FEATURESEND LOOPS MATERIAL IS AMS5644 ANDSTRAP IS AMS5528, ENDS WELDED
WIDTH0.700 INCHES NOMINAL IN
END ITEM IDENTIFICATIONACFT ENG TF30
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: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 618527?
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 618527?
618527 is a BAND,RETAINING.
What is the NSN for 618527?
618527 is cataloged in the U.S. Government catalog under NSN 5340-00-754-7480. 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 — 618527

✓ 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.