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177270 — PAD,CHEST,RESCUE AND TRANSPORT S

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

177270: PAD,CHEST,RESCUE AND TRANSPORT S.

PAD,CHEST,RESCUE AND TRANSPORT S. Key specifications include unit_of_issue_cube: 0.44 CUBIC FEET, end_item_identification: A COMPONENT OF THE COMPLETE PATIENT RESCUE AND TRANSPORTATION SYSTEM 6530-01-260-1222, exterior_container_weight: 0.75 POUNDS LBS, part_name_assigned_by_controlling_agency: PAD CHEST RESCUE&TRANSPORT SYSTEM REPLACEMENT/FLOATATION ASSY. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-244-4748, 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
177270
NSN: 3120-00-244-4748
NIINs: 002444748, 004902594, 012601226
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
unit_of_issue_cube0.44 CUBIC FEET
end_item_identificationA COMPONENT OF THE COMPLETE PATIENT RESCUE AND TRANSPORTATION SYSTEM 6530-01-260-1222
exterior_container_weight0.75 POUNDS LBS
general_characteristics_item_descriptionFLOATATION ASSY W/COVER; REPLACEMENT PAD FOR FLOATATION ASSY+ A COMPONENT OF THE COMPLETE PATIENT RESCUE AND TRANSPORT SYSTEM 6530-01-260-1227
part_name_assigned_by_controlling_agencyPAD CHEST RESCUE&TRANSPORT SYSTEM REPLACEMENT/FLOATATION ASSY
NSN3120-00-244-4748
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 177270 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
FLANGE OUTSIDE DIAMETER: 0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.4386 INCHES MINIMUM AND 0.4391 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
FLANGE OUTSIDE DIAMETER0.6150 INCHES MINIMUM AND 0.6350 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.4386 INCHES MINIMUM AND 0.4391 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 177270?
177270 is a PAD,CHEST,RESCUE AND TRANSPORT S.
What is the NSN for 177270?
177270 is cataloged in the U.S. Government catalog under NSN 3120-00-244-4748. 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.