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Technical Data Sheet
1271 ✓ Verified by PartsTable
3M · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 3M™ Earplugs 1200 Series are reusable and designed for insertion into the ear canal to help reduce exposure to hazardous levels of noise up to 25 dB.<br><br>Get comfortable and durable hearing protection with 3M™ Earplugs 1200 Series. These reusable earplugs reduce noise levels up to 25 dB and are fully tested and approved against EN 352-2. They are made from a soft durable Thermoplastic Elastomer (TPE).

The specially designed and triple flange shape is tapered to fit most ear canal sizes, offering a comfortable secure fit. The finger grip design keeps insertion and removal simple, convenient and hygienic. They come with a sturdy storage case featuring a belt clip, helping keep your earplugs hygienic and together preventing loss.

3M™ Earplugs 1261 are available as probed versions for use with the 3M™ E-A-RFit™ validation system. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-363-6212, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO MRO_GENERAL 1271
NSN: 6625-01-363-6212
FSC: 6625
CAGE: 34280 — WAVETEK RF PRODUCTS, INC (USA)
SPECIFICATIONS
colorBLACK
width0.625 INCHES NOMINAL IN
height0.938 INCHES NOMINAL IN
materialSTEEL COMP 4340 OVERALL
duty_typeCONTINUOUS
food_typePOWDERED
body_styleWEBBED, SOLID
body_width1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
bore_styleINVOLUTE SPLINE BOTH ENDS
tooth_formSTUB
body_height3.469 INCHES MINIMUM AND 3.531 INCHES MAXIMUM IN
body_length1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN
NSN6625-01-363-6212
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: 3M RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 1271 MFR 3M RELAY,ELECTROMAGNETIC
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT3.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONCAL STD PROGRAM
OVERALL WIDTH19.200 INCHES NOMINAL IN
OVERALL LENGTH16.800 INCHES NOMINAL IN
OVERALL HEIGHT3.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONCAL STD PROGRAM
OVERALL WIDTH19.200 INCHES NOMINAL IN
OVERALL LENGTH16.800 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
127-1Interchangeable
interchangeable cross-reference
interchangeable
127-107Interchangeable
interchangeable cross-reference
interchangeable
306-5307Interchangeable
interchangeable cross-reference
interchangeable
3173-507Interchangeable
interchangeable cross-reference
interchangeable
43-13C18Interchangeable
interchangeable cross-reference
interchangeable
8QH2325Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1271?
1271 is a RELAY,ELECTROMAGNETIC manufactured by 3M. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1271?
There are 14 known substitutes for 1271: 127-1, 127-107, 306-5307 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1271?
1271 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-363-6212. This indicates validated use in U.S. government and defense supply chains.
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