NAS577 at a glance
Where to buy
Specification
| Item | Value |
|---|---|
| Type | Floating barrel nut |
| Material | Not stated in the documents we hold |
| Status | Check the current issue of the standard before design use. |
Dimensions by size
| Dimension, in | .2500-28 | .3125-24 | .3750-24 | .4375-20 | .5000-20 |
|---|---|---|---|---|---|
| A — A (see drawing) | .513 | .575 | .669 | .763 | .857 |
| Hmin — Hole, min | .531 | .594 | .688 | .781 | .875 |
| Hmax — Hole, max | .535 | .599 | .693 | .788 | .882 |
| B — B (see drawing) | .625 | .688 | .750 | .875 | 1.000 |
| D — D (see drawing) | .406 | .468 | .531 | .625 | .703 |
Dimensions in inches, as tabulated for the part. Blank cells (—): not stated in the documents we hold; take them from the standard.
Part numbers
| Part no. | Size |
|---|---|
| NAS577B4A | .2500-28 |
| NAS577B5A | .3125-24 |
| NAS577B6A | .3750-24 |
| NAS577B7A | .4375-20 |
| NAS577B8A | .5000-20 |
Part numbers as listed for the part; the standard governs and may list others.
Part number
What each code means
| Part | Meaning |
|---|---|
| Example | NAS577B4A — .2500-28 floating barrel nut, self-locking |
Notes from the standard
- The listing heads the column NAS577B; the dash numbers are 4A to 8A.
- .0625 min dimension on the drawing (not tabulated).
- Part number format as commonly written; check the standard for the exact format.
- Approved data governs. Use the nut the SRM, drawing or IPC calls for.
Where to buy
AmericaDistributor coming soonOur partner for this region is on its way
EuropeDistributor coming soonOur partner for this region is on its way
OceaniaDistributor coming soonOur partner for this region is on its way
Distributors coming soon.
Sources
- NAS577 — Nut, Self-Locking, Floating, Barrel, 180 KSI — nominal sizes and part numbers.
Educational reference only. not approved data. Always consult the applicable SRM, AMM, or AC 43.13-1B and your certifying authority.