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Technical Data Sheet
PartsTable / MRO / 7690-1
7690-1 ✓ Verified by PartsTable
Hama · 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

- Colour-neutral filter for the targeted reduction of light<br>- Exposure correction: 8x = 3 aperture values; 64 = 6 aperture values; 1000 = 10 aperture values<br>- NMC16 coating: eight layers on each side, for maximum anti-reflective properties<br>- Vapour-deposited nano-coating<br>- Developed especially for digital cameras thanks to double-sided coating<br>- With front thread for other filters, lens cap or lens hood<br>- Quality class (glass): high-quality lens glass<br><br>- 1 filter bag<br>- 1 ND8 grey filter<br>- 1 ND64 grey filter<br>- 1 ND1000 grey filter This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-604-2638, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 7690-1
NSN: 6625-00-604-2638
FSC: 6625
CAGE: 75377 — KURZ & ROOT GENERATOR COMPANY, LLC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
overall_height0.312 INCHES NOMINAL IN
inside_diameter0.750 INCHES NOMINAL IN
pressure_rating250.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
outside_diameter2.500 INCHES NOMINAL IN
special_featuresFOR PRESSURE REGULATING VALVE SZ 2.000 IN. IN
style_designatorPLAIN
media_for_which_designedWATER, SALT
NSN6625-00-604-2638
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Hama 7690-1 TITLE COMPONENT PN 7690-1 MFR Hama 7690-1
KEY FEATURES
•
INSTALLATION DESIGN: PANEL
•
DIAL SCALE MARKING COLOR: BLACK SINGLE INDICATOR SINGLE RANGE
•
ACCURACY IN PERCENT: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
•
COLOR: UNABLE TO DECODE
•
MOUNTING ARRANGEMENT STYLE: THREE HOLE/STUD BOLT CIRCLE
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METER BODY DIAMETER BEHIND MOUNTING FLANGE: 2.750 INCHES NOMINAL IN
•
MEASUREMENT RANGE: +0.0 TO 150.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
•
INDICATOR TYPE: DIAL W/POINTER
TECHNICAL CHARACTERISTICS (FLIS)
INSTALLATION DESIGNPANEL
DIAL SCALE MARKING COLORBLACK SINGLE INDICATOR SINGLE RANGE
ACCURACY IN PERCENT-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
COLORUNABLE TO DECODE
MOUNTING ARRANGEMENT STYLETHREE HOLE/STUD BOLT CIRCLE
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.750 INCHES NOMINAL IN
MEASUREMENT RANGE+0.0 TO 150.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
INDICATOR TYPEDIAL W/POINTER
NUCLEAR HARDNESS CRITICAL FEATURENONHARDENED
FSC APPLICATION DATATEST SET,ELECTRONIC EQUIPMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
6186Interchangeable
interchangeable cross-reference
interchangeable
10958Interchangeable
interchangeable cross-reference
interchangeable
509881-10Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
525GK915Interchangeable
interchangeable cross-reference
interchangeable
86Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7690-1?
7690-1 is a 7690-1 manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7690-1?
There are 11 known substitutes for 7690-1: 6186, 10958, 509881-10 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7690-1?
7690-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-604-2638. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026