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B1125 — SHOCK ABSORBER,DIRECT ACTION

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

B1125: SHOCK ABSORBER,DIRECT ACTION.

The SHOCK ABSORBER,DIRECT ACTION is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, flange_width: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN, overall_length: 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN, body_inside_diameter: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN, body_outside_diameter: 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN, end_item_identification: AN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-244-4593, 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
MRO→ MRO_GENERAL→ B1125
NSN: 3120-01-244-4593
NIINs: 012444593, 015577211
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
flange_width0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
overall_length0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
body_inside_diameter0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
body_outside_diameter0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
end_item_identificationAN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE
flange_outside_diameter0.8700 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agency(INAVY)COMMON ANALOG INTERFACE
NSN3120-01-244-4593
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B1125 · 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
•
FLANGE OUTSIDE DIAMETER: 0.8700 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 841 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER0.8700 INCHES MINIMUM AND 0.8800 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.6260 INCHES MINIMUM AND 0.6270 INCHES MAXIMUM IN
OVERALL LENGTH0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.5010 INCHES MINIMUM AND 0.5020 INCHES MAXIMUM IN
FLANGE WIDTH0.0600 INCHES MINIMUM AND 0.0640 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 841 OVERALL
MATERIALOIL LUBRICATING LUBRICATION
SUBSTITUTES & CROSS-REFERENCES 1
B7-49Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 B1125?
B1125 is a SHOCK ABSORBER,DIRECT ACTION. It is classified as a MRO (MRO_GENERAL).
What parts can replace B1125?
There is 1 known substitute for B1125: B7-49. Substitute compatibility should be verified for your specific system.
What is the NSN for B1125?
B1125 is cataloged in the U.S. Government catalog under NSN 3120-01-244-4593. 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.