You are Here:

Search AcmeIndustrial.com
for Mil Spec, ANSI or ACME part number



MS/NAS Style - 303 CRES Keylocking Threaded Inserts
Lightweight - Inch

   
Material: Insert - 303 CRES
  Keys- 302 CRES
Finish: Passivated
Tolerances: ±.010 inch unless specified otherwise
Internal Threads: Per SAE AS8879
Dimensions: All dimensions below are in inches
Keys: Inserts with an internal thread size of 5/16 and larger are furnished with 4 locking keys. Smaller sizes have 2 locking keys.
Material Identification Mark: None
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: MIL-I-45914A (MS51830 & NAS1394)

Call
800-323-5582
or email us at
acmemail@acmeindustrial.com
and a representative will
contact you shortly.

To request a quote, Click on the MS or Acme part number in the chart below.

Insert Installation/
Removal
Non-Locking Self-Locking Dimensions
MS/NAS ACME Part Number MS/NAS ACME Part Number Internal
Thread
Class 3B
External
Thread (Mod.)
Class 2A
H
Length
J
±.030
K
C'Bore
Depth
Install Tool
Part No.
MS51830-105 217-076321 MS51830-105L 217-077321 10 - 24 5/16 - 18 .312 .22 .07 217-072568
MS51830-201
NAS1394C3
217-076521 MS51830-201L
NAS1394C3L
217-077521 10 - 32 217-072569
MS51830-106 217-076322 MS51830-106L 217-077322 1/4 - 20 3/8 - 16 .375 .22 .07 217-072570
MS51830-202
NAS1394C4
217-076522 MS51830-202L
NAS1394C4L
217-077522 1/4 - 28 217-072571
MS51830-107 217-076323 MS51830-107L 217-077323 5/16 - 18 7/16 - 14 .437 .22 .07 217-072572
MS51830-203
NAS1394C5
217-076523 MS51830-203L
NAS1394C5L
217-077523 5/16 - 24 217-072573
MS51830-108
217-076324 MS51830-108L
217-077324 3/8 - 16 1/2 - 13 .500 .24 .07 217-072574
MS51830-204
NAS1394C6
217-076524 MS51830-204L
NAS1394C6L
217-077524 3/8 - 24 217-072575
MS51830-109
217-076325 MS51830-109L
217-077325 7/16 - 14 9/16 - 12 .562 .27 .07 217-072576
MS51830-205
NAS1394C7
217-076525 MS51830-205L
NAS1394C7L
217-077525 7/16 - 20 217-072577
MS51830-110
217-076326 MS51830-110L
217-077326 1/2 - 13 5/8 - 11 .625 .28 .07 217-072578
MS51830-206
NAS1394C8
217-076526 MS51830-206L
NAS1394C8L
217-077526 1/2 - 20 217-072579
For inserts with the following options, add the letter code shown to the end of the Acme part number:
S — Silver Plate per AMS 2410
SN — Silver Plate Only, No Dry Film Lube (Self-Locking Inserts Only
DFL — Dry Film Lube (Non-Locking INserts Only)
K — Self Broaching Keys



ISO 9001
Registered
Quality
System


Aerospace Industries
Association